Creatinine Clearance (CrCl)

Test/Investigation

Creatinine Clearance (CrCl)

Site(s) or Laboratory offering Test/Investigation

NNUH, QEH, JPUH

Units

mmol/24h

Comments/Precautions

Blood to be taken in the same 24-hour period Creatinine clearance results should be interpreted with reference to local drug dosing protocols.

Sample type

24-Hour urine collection bottle (plain) + Serum

Turnaround times (TAT) Urgent/Routine/GP or OPD

1 hour / 4 hour / by 8am next day

Reference intervals (adult unless stated)

F: 7 – 14 mmo/24h
M: 9 – 21 mmol/24h