Clarilab

Kidney and electrolytes

Kidney function test (KFT) test

Also called KFT, RFT, renal function test, kidney profile

Creatinine, urea or BUN, uric acid, eGFR and usually electrolytes.

Usual recheck
About 3 months when out of range

Why it's done

Checks the kidneys in checkups, with diabetes or high blood pressure, or before some medicines and scans.

Got a report with Kidney function test (KFT)?

Upload the PDF to Clarilab: it reads the values in your browser, flags anything out of range and tracks your results over time.

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Included in these checkups

Yearly health checkupMen over 40

More kidney and electrolytes tests

CreatinineA waste product from muscles, cleared by the kidneys. eGFRAn estimate of how much blood your kidneys filter each minute, worked out from… UreaA waste product from protein breakdown, cleared by the kidneys. BUNThe nitrogen part of urea (urea ≈ BUN × 2.14). Uric acidA waste product from purines in food and cells. Urine albumin (UACR)Small amounts of protein (albumin) leaking into urine.