MedicalTerminology DB

Meaning of renal function test: A test in which blood or urine samples are checked for the amounts of certain substances released by the kidneys.

Definition of renal function test

A test in which blood or urine samples are checked for the amounts of certain substances released by the kidneys. A higher- or lower-than-normal amount of a substance can be a sign that the kidneys are not working the way they should. Also called kidney function test.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

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