{"product_id":"kidney-function-test","title":"Home Kidney Function Test UK - eGFR \u0026 Creatinine","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cmeta content=\"width=device-width, initial-scale=1\" name=\"viewport\"\u003e\u003cmeta content=\"Order a home kidney function test in the UK. UKAS accredited and CQC registered labs measure creatinine and urea and calculate eGFR from a finger prick sample.\" name=\"description\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n  .kidney_product {\n    --kidney_ink: #2f2a28;\n    --kidney_muted: #6f625d;\n    --kidney_taupe: #786863;\n    --kidney_taupe_dark: #5e4c46;\n    --kidney_cream: #f5eee3;\n    --kidney_line: #ded2c5;\n    --kidney_white: #ffffff;\n    --kidney_green_bg: #e8f3e9;\n    --kidney_green_text: #345f3f;\n    --kidney_amber_bg: #fff1cf;\n    --kidney_amber_text: #7b5715;\n    --kidney_orange_bg: #f9e7d7;\n    --kidney_orange_text: #8a4d2d;\n    --kidney_red_bg: #f8dfdf;\n    --kidney_red_text: #8f3535;\n    --kidney_blue_bg: #e8eef4;\n    --kidney_blue_text: #405c72;\n    color: var(--kidney_ink);\n    font-family: inherit;\n    font-size: 16px;\n    line-height: 1.7;\n    margin: 0 auto;\n    max-width: 1120px;\n  }\n\n  .kidney_product * { box-sizing: border-box; }\n\n  .kidney_product h2,\n  .kidney_product h3,\n  .kidney_product h4 {\n    color: var(--kidney_ink);\n    line-height: 1.2;\n    margin-top: 0;\n  }\n\n  .kidney_product h2 {\n    font-family: Georgia, \"Times New Roman\", serif;\n    font-size: clamp(32px, 5vw, 54px);\n    font-weight: 500;\n    margin-bottom: 18px;\n  }\n\n  .kidney_product h3 {\n    font-family: Georgia, \"Times New Roman\", serif;\n    font-size: clamp(25px, 3vw, 34px);\n    font-weight: 500;\n    margin-bottom: 16px;\n  }\n\n  .kidney_product h4 { font-size: 18px; margin-bottom: 10px; }\n  .kidney_product p { margin: 0 0 16px; }\n\n  .kidney_product ul {\n    margin: 8px 0 18px;\n    padding-left: 22px;\n  }\n\n  .kidney_product li { margin-bottom: 7px; }\n\n  .kidney_hero {\n    background: linear-gradient(135deg, var(--kidney_cream), #fbf8f3);\n    border: 1px solid var(--kidney_line);\n    border-radius: 22px;\n    margin-bottom: 28px;\n    padding: clamp(24px, 5vw, 52px);\n  }\n\n  .kidney_eyebrow {\n    color: var(--kidney_taupe_dark);\n    font-size: 13px;\n    font-weight: 700;\n    letter-spacing: 0.12em;\n    margin-bottom: 12px;\n    text-transform: uppercase;\n  }\n\n  .kidney_lead {\n    font-size: 19px;\n    max-width: 900px;\n  }\n\n  .kidney_notice,\n  .kidney_warning {\n    background: var(--kidney_white);\n    border-left: 5px solid var(--kidney_taupe);\n    border-radius: 10px;\n    margin-top: 22px;\n    padding: 17px 19px;\n  }\n\n  .kidney_warning {\n    background: var(--kidney_red_bg);\n    border-color: var(--kidney_red_text);\n    color: #672b2b;\n  }\n\n  .kidney_grid,\n  .kidney_steps,\n  .kidney_method_grid,\n  .kidney_trust_grid {\n    display: grid;\n    gap: 14px;\n    grid-template-columns: repeat(4, minmax(0, 1fr));\n    margin-top: 22px;\n  }\n\n  .kidney_steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }\n\n  .kidney_stat,\n  .kidney_method_item,\n  .kidney_trust_item,\n  .kidney_step {\n    background: rgba(255, 255, 255, 0.84);\n    border: 1px solid var(--kidney_line);\n    border-radius: 14px;\n    min-height: 112px;\n    padding: 17px;\n  }\n\n  .kidney_method_item,\n  .kidney_trust_item { background: #fbf8f3; }\n\n  .kidney_stat strong,\n  .kidney_method_item strong,\n  .kidney_trust_item strong {\n    display: block;\n    font-size: 15px;\n    margin-bottom: 6px;\n  }\n\n  .kidney_stat strong { font-size: 18px; }\n\n  .kidney_stat span,\n  .kidney_method_item span,\n  .kidney_trust_item span {\n    color: var(--kidney_muted);\n    font-size: 14px;\n    line-height: 1.55;\n  }\n\n  .kidney_section {\n    background: var(--kidney_white);\n    border: 1px solid var(--kidney_line);\n    border-radius: 18px;\n    margin-bottom: 24px;\n    padding: clamp(22px, 4vw, 38px);\n  }\n\n  .kidney_table_wrap {\n    overflow-x: auto;\n    width: 100%;\n  }\n\n  .kidney_table {\n    border-collapse: collapse;\n    margin: 18px 0 4px;\n    min-width: 720px;\n    width: 100%;\n  }\n\n  .kidney_table th,\n  .kidney_table td {\n    border-bottom: 1px solid var(--kidney_line);\n    padding: 15px 14px;\n    text-align: left;\n    vertical-align: top;\n  }\n\n  .kidney_table th {\n    background: var(--kidney_cream);\n    color: var(--kidney_taupe_dark);\n    font-size: 13px;\n    letter-spacing: 0.04em;\n    text-transform: uppercase;\n  }\n\n  .kidney_table tr:last-child td { border-bottom: 0; }\n  .kidney_table td:first-child { width: 190px; }\n\n  .kidney_status {\n    border: 1px solid currentColor;\n    border-radius: 999px;\n    display: inline-block;\n    font-size: 12px;\n    font-weight: 700;\n    line-height: 1.2;\n    padding: 6px 10px;\n    white-space: nowrap;\n  }\n\n  .kidney_critical { background: var(--kidney_red_bg); color: var(--kidney_red_text); }\n  .kidney_low { background: var(--kidney_amber_bg); color: var(--kidney_amber_text); }\n  .kidney_normal { background: var(--kidney_green_bg); color: var(--kidney_green_text); }\n  .kidney_high { background: var(--kidney_orange_bg); color: var(--kidney_orange_text); }\n  .kidney_info { background: var(--kidney_blue_bg); color: var(--kidney_blue_text); }\n\n  .kidney_step { background: var(--kidney_cream); }\n\n  .kidney_step_number {\n    align-items: center;\n    background: var(--kidney_taupe_dark);\n    border-radius: 50%;\n    color: #ffffff;\n    display: inline-flex;\n    font-weight: 700;\n    height: 32px;\n    justify-content: center;\n    margin-bottom: 10px;\n    width: 32px;\n  }\n\n  .kidney_biomarker {\n    border: 1px solid var(--kidney_line);\n    border-radius: 14px;\n    margin-bottom: 14px;\n    overflow: hidden;\n  }\n\n  .kidney_biomarker summary {\n    align-items: center;\n    background: var(--kidney_cream);\n    color: var(--kidney_ink);\n    cursor: pointer;\n    display: flex;\n    font-size: 18px;\n    font-weight: 700;\n    justify-content: space-between;\n    list-style: none;\n    padding: 18px 20px;\n  }\n\n  .kidney_biomarker summary::-webkit-details-marker,\n  .kidney_sources summary::-webkit-details-marker { display: none; }\n\n  .kidney_biomarker summary::after,\n  .kidney_sources summary::after {\n    color: var(--kidney_taupe_dark);\n    content: \"+\";\n    font-size: 25px;\n    font-weight: 400;\n    line-height: 1;\n  }\n\n  .kidney_biomarker[open] summary::after,\n  .kidney_sources details[open] summary::after { content: \"−\"; }\n\n  .kidney_biomarker_body { padding: 22px 20px 25px; }\n\n  .kidney_subnote {\n    background: #fbf8f3;\n    border: 1px solid var(--kidney_line);\n    border-radius: 11px;\n    margin: 18px 0;\n    padding: 15px 17px;\n  }\n\n  .kidney_review_grid {\n    display: grid;\n    gap: 14px;\n    grid-template-columns: repeat(3, minmax(0, 1fr));\n    margin-top: 22px;\n  }\n\n  .kidney_review_card {\n    background: #fbf8f3;\n    border: 1px solid var(--kidney_line);\n    border-radius: 14px;\n    display: flex;\n    flex-direction: column;\n    min-height: 100%;\n    padding: 18px;\n  }\n\n  .kidney_review_card_top {\n    align-items: center;\n    display: flex;\n    gap: 14px;\n    margin-bottom: 15px;\n  }\n\n  .kidney_review_avatar {\n    aspect-ratio: 1 \/ 1 !important;\n    background-color: var(--kidney_cream) !important;\n    background-repeat: no-repeat !important;\n    border: 1px solid var(--kidney_line) !important;\n    border-radius: 999px !important;\n    box-shadow: 0 2px 8px rgba(47, 42, 40, 0.08) !important;\n    display: block !important;\n    flex: 0 0 92px !important;\n    height: 92px !important;\n    max-height: 92px !important;\n    max-width: 92px !important;\n    min-height: 92px !important;\n    min-width: 92px !important;\n    overflow: hidden !important;\n    width: 92px !important;\n  }\n\n  .kidney_review_avatar_rimas {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/rimas_geiga.png?v=1785071125\") !important;\n    background-position: 50% 18% !important;\n    background-size: 118% auto !important;\n  }\n\n  .kidney_review_avatar_snieguole {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Snieguole_Geige.jpg?v=1785070794\") !important;\n    background-position: 50% 15% !important;\n    background-size: 118% auto !important;\n  }\n\n  .kidney_review_avatar_veronika {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Veronika_Matutyte_Doctor.jpg?v=1785075107\") !important;\n    background-position: 50% 18% !important;\n    background-size: 128% auto !important;\n  }\n\n  .kidney_review_label {\n    color: var(--kidney_taupe_dark);\n    display: block;\n    font-size: 11px;\n    font-weight: 700;\n    letter-spacing: 0.08em;\n    margin-bottom: 5px;\n    text-transform: uppercase;\n  }\n\n  .kidney_review_name {\n    color: var(--kidney_ink);\n    font-family: Georgia, \"Times New Roman\", serif;\n    font-size: 20px;\n    font-weight: 500;\n    line-height: 1.15;\n    margin: 0 0 5px;\n  }\n\n  .kidney_review_title {\n    color: var(--kidney_muted);\n    font-size: 13px;\n    line-height: 1.45;\n    margin: 0;\n  }\n\n  .kidney_review_scope {\n    font-size: 14px;\n    line-height: 1.6;\n    margin-bottom: 16px;\n  }\n\n  .kidney_review_link,\n  .kidney_board_link a,\n  .kidney_sources a {\n    color: var(--kidney_taupe_dark);\n    font-weight: 700;\n    text-decoration: underline;\n    text-decoration-thickness: 1px;\n    text-underline-offset: 4px;\n  }\n\n  .kidney_review_link {\n    font-size: 13px;\n    margin-top: auto;\n  }\n\n  .kidney_review_meta {\n    background: var(--kidney_cream);\n    border-radius: 12px;\n    display: grid;\n    gap: 12px;\n    grid-template-columns: repeat(3, minmax(0, 1fr));\n    margin-top: 20px;\n    padding: 17px 18px;\n  }\n\n  .kidney_review_meta strong {\n    display: block;\n    font-size: 13px;\n    margin-bottom: 3px;\n  }\n\n  .kidney_review_meta span {\n    color: var(--kidney_muted);\n    font-size: 13px;\n  }\n\n  .kidney_board_link {\n    border-top: 1px solid var(--kidney_line);\n    margin-top: 18px;\n    padding-top: 16px;\n  }\n\n  .kidney_sources details {\n    border: 1px solid var(--kidney_line);\n    border-radius: 12px;\n    overflow: hidden;\n  }\n\n  .kidney_sources summary {\n    align-items: center;\n    background: var(--kidney_cream);\n    cursor: pointer;\n    display: flex;\n    font-weight: 700;\n    justify-content: space-between;\n    list-style: none;\n    padding: 16px 18px;\n  }\n\n  .kidney_sources_body { padding: 18px; }\n\n  .kidney_faq details {\n    border-bottom: 1px solid var(--kidney_line);\n    padding: 14px 0;\n  }\n\n  .kidney_faq details:last-child { border-bottom: 0; }\n\n  .kidney_faq summary {\n    cursor: pointer;\n    font-weight: 700;\n  }\n\n  .kidney_faq details p { margin-top: 12px; }\n\n  .kidney_footer_note {\n    background: var(--kidney_taupe_dark);\n    border-radius: 16px;\n    color: #ffffff;\n    padding: 24px;\n  }\n\n  .kidney_footer_note h3,\n  .kidney_footer_note strong { color: #ffffff; }\n\n  @media (max-width: 900px) {\n    .kidney_grid,\n    .kidney_method_grid,\n    .kidney_trust_grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }\n\n    .kidney_steps,\n    .kidney_review_grid { grid-template-columns: 1fr; }\n\n    .kidney_review_meta { grid-template-columns: 1fr; }\n  }\n\n  @media (max-width: 540px) {\n    .kidney_grid,\n    .kidney_method_grid,\n    .kidney_trust_grid { grid-template-columns: 1fr; }\n\n    .kidney_product { font-size: 15px; }\n\n    .kidney_biomarker summary {\n      font-size: 16px;\n      padding: 16px;\n    }\n\n    .kidney_biomarker_body { padding: 18px 15px 21px; }\n\n    .kidney_review_avatar {\n      flex-basis: 78px !important;\n      height: 78px !important;\n      max-height: 78px !important;\n      max-width: 78px !important;\n      min-height: 78px !important;\n      min-width: 78px !important;\n      width: 78px !important;\n    }\n  }\n\n  .kidney_review_avatar_laura {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/5W4A9892.jpg?v=1785070092\") !important;\n    background-position: 50% 15% !important;\n    background-size: 132% auto !important;\n  }\n\n  .kidney_review_avatar_rimas {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/rimas_geiga.png?v=1785071125\") !important;\n    background-position: 50% 18% !important;\n    background-size: 118% auto !important;\n  }\n\n  .kidney_review_avatar_veronika {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Veronika_Matutyte_Doctor.jpg?v=1785075107\") !important;\n    background-position: 50% 18% !important;\n    background-size: 128% auto !important;\n  }\n\n  .kidney_review_avatar_giedre {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Giedre_Narkiene.png?v=1785071017\") !important;\n    background-position: 50% 18% !important;\n    background-size: 132% auto !important;\n  }\n\n  .kidney_review_avatar_rimas {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/rimas_geiga.png?v=1785071125\") !important;\n    background-position: 50% 18% !important;\n    background-size: 118% auto !important;\n  }\n\n  .kidney_review_avatar_veronika {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Veronika_Matutyte_Doctor.jpg?v=1785075107\") !important;\n    background-position: 50% 18% !important;\n    background-size: 128% auto !important;\n  }\n\n  .kidney_review_avatar_rimas {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/rimas_geiga.png?v=1785071125\") !important;\n    background-position: 50% 18% !important;\n    background-size: 118% auto !important;\n  }\n\n  .kidney_review_avatar_veronika {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Veronika_Matutyte_Doctor.jpg?v=1785075107\") !important;\n    background-position: 50% 18% !important;\n    background-size: 128% auto !important;\n  }\n\n  .kidney_review_avatar_laura {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/5W4A9892.jpg?v=1785070092\") !important;\n    background-position: 50% 15% !important;\n    background-size: 132% auto !important;\n  }\n\n  .kidney_review_avatar_snieguole {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Snieguole_Geige.jpg?v=1785070794\") !important;\n    background-position: 50% 15% !important;\n    background-size: 118% auto !important;\n  }\n\n  .kidney_review_avatar_rimas {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/rimas_geiga.png?v=1785071125\") !important;\n    background-position: 50% 18% !important;\n    background-size: 118% auto !important;\n  }\n\n  .kidney_review_avatar_veronika {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Veronika_Matutyte_Doctor.jpg?v=1785075107\") !important;\n    background-position: 50% 18% !important;\n    background-size: 128% auto !important;\n  }\n\n  .kidney_review_avatar_veronika {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Veronika_Matutyte_Doctor.jpg?v=1785075107\") !important;\n    background-position: 50% 18% !important;\n    background-size: 128% auto !important;\n  }\n\n  .kidney_review_avatar_snieguole {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Snieguole_Geige.jpg?v=1785070794\") !important;\n    background-position: 50% 15% !important;\n    background-size: 118% auto !important;\n  }\n\n  .kidney_review_avatar_giedre {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Giedre_Narkiene.png?v=1785071017\") !important;\n    background-position: 50% 18% !important;\n    background-size: 132% auto !important;\n  }\n\n  .kidney_review_avatar_snieguole {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Snieguole_Geige.jpg?v=1785070794\") !important;\n    background-position: 50% 15% !important;\n    background-size: 118% auto !important;\n  }\n\n  .kidney_review_avatar_rimas {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/rimas_geiga.png?v=1785071125\") !important;\n    background-position: 50% 18% !important;\n    background-size: 118% auto !important;\n  }\n\n  .kidney_review_avatar_laura {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/5W4A9892.jpg?v=1785070092\") !important;\n    background-position: 50% 15% !important;\n    background-size: 132% auto !important;\n  }\n\n  .kidney_review_avatar_veronika {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Veronika_Matutyte_Doctor.jpg?v=1785075107\") !important;\n    background-position: 50% 18% !important;\n    background-size: 128% auto !important;\n  }\n\n  .kidney_review_avatar_snieguole {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Snieguole_Geige.jpg?v=1785070794\") !important;\n    background-position: 50% 15% !important;\n    background-size: 118% auto !important;\n  }\n\n  .kidney_review_avatar_rimas {\n    background-image: url(\"https:\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/rimas_geiga.png?v=1785071125\") !important;\n    background-position: 50% 18% !important;\n    background-size: 118% auto !important;\n  }\n\u003c\/style\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003carticle class=\"kidney_product\"\u003e\n\u003csection class=\"kidney_hero\"\u003e\n\u003cp class=\"kidney_eyebrow\"\u003eAt home kidney blood test\u003c\/p\u003e\n\u003ch2\u003eHome Kidney Function Test UK | eGFR \u0026amp; Creatinine\u003c\/h2\u003e\n\u003cp class=\"kidney_lead\"\u003e\u003cstrong\u003eA three marker home blood test measuring urea and creatinine and calculating eGFR through a UK laboratory pathway.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe panel provides selected information about kidney filtration and waste handling. Results should be interpreted with hydration, muscle mass, medicines, previous values and urine testing.\u003c\/p\u003e\n\u003cdiv class=\"kidney_grid\"\u003e\n\u003cdiv class=\"kidney_stat\"\u003e\n\u003cstrong\u003e3 reported markers\u003c\/strong\u003e\u003cspan\u003eUrea, creatinine and calculated eGFR\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_stat\"\u003e\n\u003cstrong\u003eHome collection\u003c\/strong\u003e\u003cspan\u003eCapillary blood collected into the supplied microtainer\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_stat\"\u003e\n\u003cstrong\u003eUK laboratory pathway\u003c\/strong\u003e\u003cspan\u003eUKAS accredited and CQC registered laboratory processing\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_stat\"\u003e\n\u003cstrong\u003eProduct code\u003c\/strong\u003e\u003cspan\u003eC1BLP02400\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_notice\"\u003e\n\u003cstrong\u003eKidney filtration profile, not a complete kidney assessment\u003c\/strong\u003e\n\u003cp\u003eThis product does not include urine albumin to creatinine ratio, urinalysis, sodium, potassium, chloride, bicarbonate, cystatin C or imaging. Chronic kidney disease is assessed using both blood and urine information over time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_warning\"\u003e\n\u003cstrong\u003eAcute kidney symptoms should not wait for home testing\u003c\/strong\u003e\n\u003cp\u003eSeek urgent help for a major reduction in urine output, severe vomiting or dehydration, confusion, collapse, breathlessness with swelling, blood in the urine with severe pain, or feeling acutely unwell.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"kidney_section\"\u003e\n\u003cp class=\"kidney_eyebrow\"\u003eQuality and compliance\u003c\/p\u003e\n\u003ch3\u003eHome kidney testing supported by UK standards\u003c\/h3\u003e\n\u003cdiv class=\"kidney_trust_grid\"\u003e\n\u003cdiv class=\"kidney_trust_item\"\u003e\n\u003cstrong\u003eUKAS accredited laboratories\u003c\/strong\u003e \u003cspan\u003eISO 15189 accreditation supports laboratory competence, quality systems and diagnostic performance.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_trust_item\"\u003e\n\u003cstrong\u003eCQC registered services\u003c\/strong\u003e \u003cspan\u003eThe diagnostic pathway uses organisations registered with the Care Quality Commission.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_trust_item\"\u003e\n\u003cstrong\u003eCompliant collection equipment\u003c\/strong\u003e \u003cspan\u003eUKCA and CE marked equipment supported by an ISO 13485 quality management framework.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_trust_item\"\u003e\n\u003cstrong\u003eClinically bounded claims\u003c\/strong\u003e \u003cspan\u003eThe page distinguishes a calculated filtration estimate from diagnosis, urine damage markers and acute assessment.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"kidney_section\"\u003e\n\u003ch3\u003eWhat this kidney function test measures\u003c\/h3\u003e\n\u003cdiv class=\"kidney_table_wrap\"\u003e\n\u003ctable class=\"kidney_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eMarker\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it represents\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eImportant limitation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUrea\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA product of protein metabolism removed mainly by the kidneys.\u003c\/td\u003e\n\u003ctd\u003eStrongly affected by hydration, protein intake, liver function and illness.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCreatinine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA muscle metabolism product used to estimate kidney filtration.\u003c\/td\u003e\n\u003ctd\u003eAffected by muscle mass, diet, exercise, supplements and medicines.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eeGFR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA calculated estimate of glomerular filtration.\u003c\/td\u003e\n\u003ctd\u003eNot a direct measurement and does not identify urine protein loss.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"kidney_section\"\u003e\n\u003ch3\u003eWho may consider this test?\u003c\/h3\u003e\n\u003cp\u003eThis home kidney function test may be considered by adults seeking selected kidney filtration information in the context of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiabetes or high blood pressure\u003c\/li\u003e\n\u003cli\u003eCardiovascular disease or a family history of kidney disease\u003c\/li\u003e\n\u003cli\u003eAn earlier high creatinine or low eGFR result\u003c\/li\u003e\n\u003cli\u003eMedicines that require clinician directed kidney monitoring\u003c\/li\u003e\n\u003cli\u003eRecurrent dehydration, kidney stones or urinary problems\u003c\/li\u003e\n\u003cli\u003eA request from a GP or another qualified clinician\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePeople at risk of chronic kidney disease commonly need both eGFR and urine ACR testing rather than blood testing alone.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"kidney_section\"\u003e\n\u003ch3\u003eUnderstanding eGFR categories\u003c\/h3\u003e\n\u003cp\u003eThese categories support clinical classification. A single result does not usually diagnose chronic kidney disease.\u003c\/p\u003e\n\u003cdiv class=\"kidney_table_wrap\"\u003e\n\u003ctable class=\"kidney_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eCategory\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eeGFR mL\/min\/1.73m²\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eGeneral interpretation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eG1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 or above\u003c\/td\u003e\n\u003ctd\u003eNormal or high filtration. CKD requires another marker of kidney damage.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eG2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 to 89\u003c\/td\u003e\n\u003ctd\u003eMildly reduced. May be age related without another abnormal marker.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eG3a\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45 to 59\u003c\/td\u003e\n\u003ctd\u003eMild to moderate reduction.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eG3b\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 to 44\u003c\/td\u003e\n\u003ctd\u003eModerate to severe reduction.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eG4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 to 29\u003c\/td\u003e\n\u003ctd\u003eSevere reduction.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eG5\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBelow 15\u003c\/td\u003e\n\u003ctd\u003eKidney failure range and urgent clinical assessment required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"kidney_section\"\u003e\n\u003ch3\u003eHow the home kidney blood test works\u003c\/h3\u003e\n\u003cdiv class=\"kidney_steps\"\u003e\n\u003cdiv class=\"kidney_step\"\u003e\n\u003cspan class=\"kidney_step_number\"\u003e1\u003c\/span\u003e\n\u003ch4\u003eReview preparation\u003c\/h4\u003e\n\u003cp\u003eRecord hydration, illness, exercise, medicines, supplements and previous kidney results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_step\"\u003e\n\u003cspan class=\"kidney_step_number\"\u003e2\u003c\/span\u003e\n\u003ch4\u003eCollect and return\u003c\/h4\u003e\n\u003cp\u003eCollect capillary blood into the supplied microtainer and return it using the provided packaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_step\"\u003e\n\u003cspan class=\"kidney_step_number\"\u003e3\u003c\/span\u003e\n\u003ch4\u003eReview the trend and urine context\u003c\/h4\u003e\n\u003cp\u003eInterpret urea, creatinine and eGFR with previous results, blood pressure and urine ACR where appropriate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"kidney_section\"\u003e\n\u003ch3\u003ePreparing for the test\u003c\/h3\u003e\n\u003cdiv class=\"kidney_table_wrap\"\u003e\n\u003ctable class=\"kidney_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003ePreparation\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFasting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFasting is not generally required. Follow the supplied kit instructions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHydration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaintain normal hydration. Avoid testing when significantly dehydrated where routine testing can safely be delayed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCooked meat\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAn unusually large cooked meat meal can temporarily raise creatinine. Keep preparation consistent when comparing results.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExercise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAvoid unusually strenuous exercise before collection because muscle injury can raise creatinine.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupplements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRecord creatine, protein and bodybuilding supplements.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedicines\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRecord NSAIDs, ACE inhibitors, ARBs, diuretics, trimethoprim and other relevant medicines. Do not stop treatment yourself.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecent illness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVomiting, diarrhoea, fever, infection or acute illness can alter kidney results and may require clinical assessment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePregnancy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCreatinine and eGFR require specialist interpretation in pregnancy, and standard eGFR equations are not validated for routine use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"kidney_section\"\u003e\n\u003ch3\u003eCommon kidney result patterns\u003c\/h3\u003e\n\u003cp\u003eThese simplified patterns support discussion and are not diagnoses.\u003c\/p\u003e\n\u003cdiv class=\"kidney_table_wrap\"\u003e\n\u003ctable class=\"kidney_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003ePattern\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePossible context\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePossible next step\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh creatinine with low eGFR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMay reflect reduced kidney filtration, dehydration, acute illness, medicines or muscle related factors.\u003c\/td\u003e\n\u003ctd\u003eRepeat promptly where advised and review urine ACR, medicines and previous results.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh urea with relatively stable creatinine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMay occur with dehydration, high protein intake, gastrointestinal bleeding or tissue breakdown.\u003c\/td\u003e\n\u003ctd\u003eReview symptoms, hydration, diet and clinical context.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eeGFR 60 to 89 without urine abnormality\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMay be compatible with ageing or normal variation.\u003c\/td\u003e\n\u003ctd\u003eCKD is not diagnosed without persistence or another marker of kidney damage.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNormal eGFR with raised urine ACR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKidney damage may be present despite preserved filtration.\u003c\/td\u003e\n\u003ctd\u003eThis blood panel does not measure ACR, so urine testing may be needed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRapid fall from a previous eGFR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMay indicate acute kidney injury even if the current number is not extremely low.\u003c\/td\u003e\n\u003ctd\u003eSeek prompt clinical assessment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"kidney_section\"\u003e\n\u003ch3\u003eBiomarkers and result interpretation\u003c\/h3\u003e\n\u003cp\u003eSelect each marker to read what it measures, preparation guidance and how low, normal, high or urgent results may be considered.\u003c\/p\u003e\n\u003cdetails class=\"kidney_biomarker\"\u003e\n\u003csummary\u003eUrea\u003c\/summary\u003e\n\u003cdiv class=\"kidney_biomarker_body\"\u003e\n\u003cp\u003eUrea is produced in the liver during protein metabolism and is removed mainly by the kidneys. Its blood concentration depends on kidney filtration, hydration, protein intake, tissue breakdown, liver urea production and gastrointestinal bleeding.\u003c\/p\u003e\n\u003cp\u003eUrea is less specific for kidney filtration than creatinine and eGFR. It should be interpreted with the complete pattern and clinical context.\u003c\/p\u003e\n\u003cdiv class=\"kidney_subnote\"\u003e\n\u003cstrong\u003eBefore testing\u003c\/strong\u003e\n\u003cp\u003eFasting is not generally required. Maintain normal hydration and record recent vomiting, diarrhoea, fever, strenuous exercise, muscle injury, cooked meat intake, creatine supplements and medicines including NSAIDs, ACE inhibitors, ARBs, diuretics and trimethoprim. Do not stop prescribed treatment yourself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHow to understand this result\u003c\/h4\u003e\n\u003cdiv class=\"kidney_table_wrap\"\u003e\n\u003ctable class=\"kidney_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eResult\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it may mean\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_critical\"\u003eCritical low\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA markedly low result is uncommon and may reflect severe liver dysfunction, overhydration, very low protein intake or another serious condition.\u003c\/td\u003e\n\u003ctd\u003eFollow the laboratory advice and arrange clinical review when unexpected or accompanied by symptoms.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_low\"\u003eLow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eMay occur with low protein intake, pregnancy, overhydration, malnutrition or reduced liver urea production.\u003c\/td\u003e\n\u003ctd\u003eDiscuss a persistent or unexpected result with a GP.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_normal\"\u003eNormal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eFalls within the laboratory reference interval.\u003c\/td\u003e\n\u003ctd\u003eA normal urea does not prove that kidney function is normal.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_high\"\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eMay occur with dehydration, reduced kidney filtration, high protein intake, gastrointestinal bleeding, severe illness, tissue breakdown or medicines.\u003c\/td\u003e\n\u003ctd\u003eReview hydration, creatinine, eGFR, symptoms and medicines with a clinician.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_critical\"\u003eCritical high\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA markedly raised result may accompany severe dehydration, acute kidney injury, advanced kidney impairment or gastrointestinal bleeding.\u003c\/td\u003e\n\u003ctd\u003eSeek prompt medical assessment and follow the laboratory escalation advice.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"kidney_biomarker\"\u003e\n\u003csummary\u003eCreatinine\u003c\/summary\u003e\n\u003cdiv class=\"kidney_biomarker_body\"\u003e\n\u003cp\u003eCreatinine is produced from normal muscle metabolism and removed mainly by kidney filtration. It is the blood marker used to calculate eGFR.\u003c\/p\u003e\n\u003cp\u003eCreatinine is affected by muscle mass, age, body size, diet, exercise, supplements and some medicines. A value that is normal for one person may be abnormal for another, so trends and eGFR are important.\u003c\/p\u003e\n\u003cdiv class=\"kidney_subnote\"\u003e\n\u003cstrong\u003eBefore testing\u003c\/strong\u003e\n\u003cp\u003eFasting is not generally required. Maintain normal hydration and record recent vomiting, diarrhoea, fever, strenuous exercise, muscle injury, cooked meat intake, creatine supplements and medicines including NSAIDs, ACE inhibitors, ARBs, diuretics and trimethoprim. Do not stop prescribed treatment yourself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHow to understand this result\u003c\/h4\u003e\n\u003cdiv class=\"kidney_table_wrap\"\u003e\n\u003ctable class=\"kidney_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eResult\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it may mean\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_low\"\u003eLow\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eOften reflects lower muscle mass, small body size, pregnancy, malnutrition or reduced creatine production.\u003c\/td\u003e\n\u003ctd\u003eInterpret it with body composition, diet and the calculated eGFR.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_normal\"\u003eNormal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eFalls within the laboratory interval.\u003c\/td\u003e\n\u003ctd\u003eA normal creatinine does not exclude early kidney disease or urine albumin loss.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_high\"\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eMay reflect reduced kidney filtration, dehydration, muscle injury, strenuous exercise, creatine use, recent cooked meat or medicines that alter creatinine handling.\u003c\/td\u003e\n\u003ctd\u003eDiscuss the result, trend, eGFR, hydration and medicines with a GP.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_critical\"\u003eCritical high\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA markedly raised result may indicate significant acute or chronic kidney impairment, severe dehydration or major muscle injury.\u003c\/td\u003e\n\u003ctd\u003eSeek prompt medical assessment and follow the laboratory's urgent advice.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"kidney_biomarker\"\u003e\n\u003csummary\u003eEstimated glomerular filtration rate (eGFR)\u003c\/summary\u003e\n\u003cdiv class=\"kidney_biomarker_body\"\u003e\n\u003cp\u003eeGFR is calculated from creatinine and demographic information to estimate kidney filtration. It is usually reported in mL\/min\/1.73m².\u003c\/p\u003e\n\u003cp\u003eeGFR is most useful as a trend. Chronic kidney disease is classified using both eGFR and urine albumin to creatinine ratio, and an abnormality usually needs to persist for at least three months.\u003c\/p\u003e\n\u003cdiv class=\"kidney_subnote\"\u003e\n\u003cstrong\u003eImportant accuracy limitation\u003c\/strong\u003e\n\u003cp\u003eCreatinine based eGFR can be less reliable during acute kidney injury, pregnancy, severe illness, unusual muscle mass, amputations, malnutrition, bodybuilding or creatine use. It is not a direct measurement of filtration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_subnote\"\u003e\n\u003cstrong\u003eBefore testing\u003c\/strong\u003e\n\u003cp\u003eFasting is not generally required. Maintain normal hydration and record recent vomiting, diarrhoea, fever, strenuous exercise, muscle injury, cooked meat intake, creatine supplements and medicines including NSAIDs, ACE inhibitors, ARBs, diuretics and trimethoprim. Do not stop prescribed treatment yourself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHow to understand this result\u003c\/h4\u003e\n\u003cdiv class=\"kidney_table_wrap\"\u003e\n\u003ctable class=\"kidney_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eResult\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat it may mean\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhat to do\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_normal\"\u003eG1: 90 or above\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eUsually represents normal or high filtration. Kidney disease can still be present if urine albumin, blood, imaging or another marker is abnormal.\u003c\/td\u003e\n\u003ctd\u003eConsider urine ACR and risk factors where clinically appropriate.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_normal\"\u003eG2: 60 to 89\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eMildly reduced filtration. This may be age related or clinically insignificant without another marker of kidney damage.\u003c\/td\u003e\n\u003ctd\u003eCompare with previous results and consider urine ACR.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_low\"\u003eG3a: 45 to 59\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eMild to moderate reduction in estimated filtration.\u003c\/td\u003e\n\u003ctd\u003eArrange GP review, repeat testing and urine ACR assessment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_low\"\u003eG3b: 30 to 44\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eModerate to severe reduction in estimated filtration.\u003c\/td\u003e\n\u003ctd\u003ePrompt clinical review and medication, blood pressure and complication assessment are appropriate.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_low\"\u003eG4: 15 to 29\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eSevere reduction in estimated filtration.\u003c\/td\u003e\n\u003ctd\u003eUrgent specialist or GP review is generally required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_critical\"\u003eG5: below 15\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eKidney failure range, although interpretation still depends on clinical context and whether the change is acute or chronic.\u003c\/td\u003e\n\u003ctd\u003eSeek urgent medical assessment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"kidney_status kidney_high\"\u003eHigh\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eA high calculated eGFR may be normal, particularly in younger adults, or may occur with pregnancy or hyperfiltration. Accuracy is reduced at high values.\u003c\/td\u003e\n\u003ctd\u003eDiscuss an unexpected result if diabetes, pregnancy or other risk factors are present.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection class=\"kidney_section\"\u003e\n\u003ch3\u003eWhat this panel does not include\u003c\/h3\u003e\n\u003cdiv class=\"kidney_table_wrap\"\u003e\n\u003ctable class=\"kidney_table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eNot included\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWhy it may matter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUrine albumin to creatinine ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDetects albumin leakage and is required with eGFR for CKD classification and risk assessment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUrinalysis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMay identify blood, protein, infection or other urinary abnormalities.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSodium, potassium and bicarbonate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eImportant electrolytes that may become abnormal in kidney disease or with medicines.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCystatin C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMay help when creatinine based eGFR is uncertain or muscle mass makes interpretation difficult.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKidney imaging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMay be required for stones, obstruction, structural abnormalities or recurrent urinary problems.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasured GFR or creatinine clearance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUsed in selected specialist or medicine dosing situations where an estimate is insufficient.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection id=\"content-standards\" class=\"kidney_section\"\u003e\n\u003cp class=\"kidney_eyebrow\"\u003eEvidence and content standards\u003c\/p\u003e\n\u003ch3\u003eHow this product information was prepared\u003c\/h3\u003e\n\u003cp\u003eThis page was prepared from the supplied three marker Kidney Function Test specification and checked against current NHS, NICE, UKAS and CQC information on creatinine, eGFR, CKD classification, urine ACR, acute kidney injury and laboratory limitations.\u003c\/p\u003e\n\u003cdiv class=\"kidney_method_grid\"\u003e\n\u003cdiv class=\"kidney_method_item\"\u003e\n\u003cstrong\u003eProduct specification checked\u003c\/strong\u003e \u003cspan\u003eAt home format, capillary specimen, urea, creatinine, calculated eGFR and product code.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_method_item\"\u003e\n\u003cstrong\u003eUK clinical evidence checked\u003c\/strong\u003e \u003cspan\u003eNHS and NICE sources used for eGFR categories, CKD persistence, ACR and urgent follow up.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_method_item\"\u003e\n\u003cstrong\u003eErrors corrected\u003c\/strong\u003e \u003cspan\u003eUrea and high eGFR claims were rewritten, and the limitations of creatinine based estimation were made explicit.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_method_item\"\u003e\n\u003cstrong\u003eReview cycle\u003c\/strong\u003e \u003cspan\u003eReview at least annually and earlier when kidney guidance, eGFR equations or laboratory methods change.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection id=\"medical-review\" class=\"kidney_section\"\u003e\n\u003cp class=\"kidney_eyebrow\"\u003eClinical accountability\u003c\/p\u003e\n\u003ch3\u003eKidney interpretation, medicine safety and metabolic context review\u003c\/h3\u003e\n\u003cp\u003eThe review roles are separated across laboratory interpretation, medicine and patient safety, and metabolic risk context. The reviewers are not presented as consultant nephrologists.\u003c\/p\u003e\n\u003cdiv class=\"kidney_review_grid\"\u003e\n\u003carticle class=\"kidney_review_card\"\u003e\n\u003cdiv class=\"kidney_review_card_top\"\u003e\n\u003cdiv role=\"img\" class=\"kidney_review_avatar kidney_review_avatar_veronika\" aria-label=\"Portrait of Veronika Matutyte\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"kidney_review_label\"\u003eKidney result logic and laboratory pathway reviewed by\u003c\/span\u003e\n\u003ch4 class=\"kidney_review_name\"\u003eVeronika Matutyte\u003c\/h4\u003e\n\u003cp class=\"kidney_review_title\"\u003eMedical Doctor and Healthcare Management Expert\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"kidney_review_scope\"\u003eReviewed eGFR categories, repeat testing, urine ACR limitations, acute kidney injury escalation and laboratory governance.\u003c\/p\u003e\n\u003ca href=\"\/pages\/veronika-matutyte-medical-doctor-and-healthcare-management-expert\" class=\"kidney_review_link\"\u003eView professional profile\u003c\/a\u003e\u003c\/article\u003e\n\u003carticle class=\"kidney_review_card\"\u003e\n\u003cdiv class=\"kidney_review_card_top\"\u003e\n\u003cdiv role=\"img\" class=\"kidney_review_avatar kidney_review_avatar_snieguole\" aria-label=\"Portrait of Dr Snieguole Geige\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"kidney_review_label\"\u003eMedicine safety and clinical limitations reviewed by\u003c\/span\u003e\n\u003ch4 class=\"kidney_review_name\"\u003eDr Snieguole Geige\u003c\/h4\u003e\n\u003cp class=\"kidney_review_title\"\u003eDentist, Medical Doctor and Senior Adviser\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"kidney_review_scope\"\u003eReviewed medicine disclosure, dehydration, urgent symptoms, clinical follow up and the distinction between home testing and diagnosis.\u003c\/p\u003e\n\u003ca href=\"\/pages\/dr-snieguole-geige-dentist-medical-doctor-and-senior-adviser\" class=\"kidney_review_link\"\u003eView professional profile\u003c\/a\u003e\u003c\/article\u003e\n\u003carticle class=\"kidney_review_card\"\u003e\n\u003cdiv class=\"kidney_review_card_top\"\u003e\n\u003cdiv role=\"img\" class=\"kidney_review_avatar kidney_review_avatar_rimas\" aria-label=\"Portrait of Dr Rimas Geiga\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"kidney_review_label\"\u003eMetabolic and healthy ageing context reviewed by\u003c\/span\u003e\n\u003ch4 class=\"kidney_review_name\"\u003eDr Rimas Geiga\u003c\/h4\u003e\n\u003cp class=\"kidney_review_title\"\u003eMedical Doctor, Nutritional Sciences Adviser and Healthy Ageing Expert\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"kidney_review_scope\"\u003eReviewed diabetes, blood pressure, hydration, nutrition, muscle mass and healthy ageing factors affecting kidney blood results.\u003c\/p\u003e\n\u003ca href=\"\/pages\/dr-rimas-geiga-medical-doctor-nutritional-sciences-adviser-and-healthy-ageing-expert\" class=\"kidney_review_link\"\u003eView professional profile\u003c\/a\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kidney_review_meta\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEvidence checked\u003c\/strong\u003e \u003cspan\u003e26 July 2026\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eClinical review date\u003c\/strong\u003e \u003cspan\u003e26 July 2026\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eNext scheduled review\u003c\/strong\u003e \u003cspan\u003eBy 26 July 2027 or earlier when UK guidance changes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"kidney_board_link\"\u003e\u003ca href=\"\/pages\/medical-advisory-board\"\u003eMeet the Grace Belgravia Medical Advisory Board\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"kidney_section kidney_sources\"\u003e\n\u003cp class=\"kidney_eyebrow\"\u003eAuthoritative references\u003c\/p\u003e\n\u003ch3\u003eUK kidney testing and laboratory sources\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eView the evidence sources used\u003c\/summary\u003e\n\u003cdiv class=\"kidney_sources_body\"\u003e\n\u003cul\u003e\n\u003cli\u003eNHS: chronic kidney disease diagnosis and eGFR\u003c\/li\u003e\n\u003cli\u003eNICE NG203: chronic kidney disease assessment and management\u003c\/li\u003e\n\u003cli\u003eNICE CKS: eGFR and urine ACR classification\u003c\/li\u003e\n\u003cli\u003eNHS: urine albumin to creatinine ratio testing\u003c\/li\u003e\n\u003cli\u003eNHS pathology guidance on creatinine and eGFR limitations\u003c\/li\u003e\n\u003cli\u003eUKAS ISO 15189 medical laboratory accreditation information\u003c\/li\u003e\n\u003cli\u003eCQC guidance on diagnostic and screening procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection class=\"kidney_section kidney_faq\"\u003e\n\u003cp class=\"kidney_eyebrow\"\u003eSearch led questions\u003c\/p\u003e\n\u003ch3\u003eHome kidney function test FAQs\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I take a kidney function test at home?\u003c\/summary\u003e\n\u003cp\u003eYes. This kit uses capillary blood collected at home and returned for laboratory analysis. It reports urea, creatinine and calculated eGFR, but it does not provide a complete kidney assessment by itself.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does this kidney blood test measure?\u003c\/summary\u003e\n\u003cp\u003eThe panel measures urea and creatinine and uses the creatinine result with demographic information to calculate estimated glomerular filtration rate, known as eGFR.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is eGFR?\u003c\/summary\u003e\n\u003cp\u003eeGFR is an estimate of how much blood the kidneys filter each minute, standardised to a body surface area of 1.73 square metres. It is calculated rather than measured directly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan one eGFR result diagnose chronic kidney disease?\u003c\/summary\u003e\n\u003cp\u003eUsually not. Chronic kidney disease generally requires an abnormality to persist for at least three months or other evidence of kidney damage, such as an abnormal urine albumin to creatinine ratio.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat eGFR level is considered normal?\u003c\/summary\u003e\n\u003cp\u003eAn eGFR of 90 or above is generally classified as G1. An eGFR of 60 to 89 is G2 and may be normal for some people, particularly with age, unless another marker of kidney damage is present.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat do the eGFR stages mean?\u003c\/summary\u003e\n\u003cp\u003eThe usual adult categories are G1 at 90 or above, G2 at 60 to 89, G3a at 45 to 59, G3b at 30 to 44, G4 at 15 to 29 and G5 below 15 mL\/min\/1.73m². Diagnosis and risk also depend on urine ACR and persistence over time.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes a low eGFR always mean kidney disease?\u003c\/summary\u003e\n\u003cp\u003eNo. Dehydration, acute illness, medicines, recent strenuous exercise and creatinine related limitations can temporarily lower eGFR. A repeat test and urine ACR may be required.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan eGFR be inaccurate?\u003c\/summary\u003e\n\u003cp\u003eYes. Creatinine based eGFR may be less accurate in people with unusually high or low muscle mass, amputations, severe malnutrition, pregnancy, acute kidney injury, creatine use or recent cooked meat intake.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does a high creatinine result mean?\u003c\/summary\u003e\n\u003cp\u003eHigh creatinine can occur with reduced kidney filtration, dehydration, muscle injury, strenuous exercise, creatine supplements, recent meat intake and some medicines. The trend and eGFR are more informative than one isolated result.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does a low creatinine result mean?\u003c\/summary\u003e\n\u003cp\u003eLow creatinine often reflects lower muscle mass, small body size, pregnancy, malnutrition or reduced creatine production. It does not usually indicate kidney failure.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does a high urea result mean?\u003c\/summary\u003e\n\u003cp\u003eHigh urea may occur with dehydration, reduced kidney filtration, high protein intake, gastrointestinal bleeding, severe illness, increased tissue breakdown or some medicines.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does a low urea result mean?\u003c\/summary\u003e\n\u003cp\u003eLow urea may occur with low protein intake, overhydration, pregnancy, reduced liver urea production or malnutrition. It should be interpreted with creatinine, eGFR and clinical history.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need to fast for a kidney function test?\u003c\/summary\u003e\n\u003cp\u003eFasting is not generally required. Follow the kit instructions and avoid an unusually large cooked meat meal, creatine supplements and very strenuous exercise immediately before testing where practical.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow much water should I drink before the test?\u003c\/summary\u003e\n\u003cp\u003eUse normal hydration. Dehydration can raise urea and creatinine, while excessive water intake may dilute some results. Do not force large quantities of water.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan exercise affect creatinine and eGFR?\u003c\/summary\u003e\n\u003cp\u003eYes. Strenuous exercise and muscle injury can temporarily raise creatinine and lower calculated eGFR. Record recent intense exercise and consider delaying routine testing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan creatine supplements affect kidney blood results?\u003c\/summary\u003e\n\u003cp\u003eCreatine supplements can raise serum creatinine without necessarily representing a true reduction in filtration. Declare supplements and discuss an unexpected result with a clinician.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan medicines affect kidney function results?\u003c\/summary\u003e\n\u003cp\u003eYes. NSAIDs, ACE inhibitors, ARBs, diuretics, trimethoprim and other medicines can affect kidney function or creatinine interpretation. Do not stop prescribed medicines without medical advice.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this test include potassium and sodium?\u003c\/summary\u003e\n\u003cp\u003eNo. It is not a complete urea and electrolytes profile. Sodium, potassium, chloride and bicarbonate are not included.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this test include a urine ACR test?\u003c\/summary\u003e\n\u003cp\u003eNo. Urine albumin to creatinine ratio is an important test for kidney damage, particularly in diabetes, hypertension and chronic kidney disease risk assessment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan normal eGFR rule out kidney disease?\u003c\/summary\u003e\n\u003cp\u003eNo. Early kidney disease may be present with a normal eGFR if urine albumin, blood in the urine, imaging or another marker is abnormal.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat happens after a low eGFR result?\u003c\/summary\u003e\n\u003cp\u003eA GP may repeat creatinine and eGFR, compare previous results, request urine ACR and urinalysis, review blood pressure and medicines, and check electrolytes or other causes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen is a low eGFR urgent?\u003c\/summary\u003e\n\u003cp\u003eUrgency depends on the level, how quickly it changed, symptoms and potassium or other results. A very low result, a rapid fall or symptoms of acute kidney injury require prompt medical assessment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat kidney symptoms need urgent medical attention?\u003c\/summary\u003e\n\u003cp\u003eSeek urgent help for a major reduction in urine output, severe vomiting or dehydration, confusion, collapse, breathlessness with swelling, blood in the urine with severe pain, or feeling acutely unwell.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre the laboratories UKAS accredited and CQC registered?\u003c\/summary\u003e\n\u003cp\u003eSamples are processed through UKAS accredited laboratories within a CQC registered diagnostic pathway. Collection equipment is UKCA and CE marked and supported by an ISO 13485 quality management framework.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection class=\"kidney_footer_note\"\u003e\n\u003ch3\u003eMedical guidance\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThis panel measures selected kidney filtration markers. It cannot diagnose chronic kidney disease from one result or identify urine protein loss.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSeek urgent help for a major reduction in urine output, severe vomiting or dehydration, confusion, collapse, breathlessness with swelling, blood in the urine with severe pain, or feeling acutely unwell.\u003c\/p\u003e\n\u003cp\u003eShare low, falling or markedly abnormal results with a GP. Do not stop NSAIDs, blood pressure medicines, diuretics or other prescribed treatment solely from a home result without clinical advice.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/article\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":54410019438931,"sku":"477-kidney-function-test","price":79.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1088\/7918\/4211\/files\/Home_Kidney_Function_Test_UK_-_eGFR_Creatinine.png?v=1785173261","url":"https:\/\/gracebelgravia.com\/products\/kidney-function-test","provider":"Grace Belgravia","version":"1.0","type":"link"}