CREATININE; 24-HOUR URINE

What this test checks

Measures creatinine in urine collected over 24 hours. Used to calculate creatinine clearance and assess kidney filtering capacity.

Why do people get this test?

More accurate kidney function assessment than blood creatinine alone.

When you should consider this test

• Detailed kidney function evaluation
• Suspected early kidney disease
• Pre-transplant or pre-surgery work-up

How to prepare

Requires 24-hour urine collection — we provide the container and full instructions.