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. The volume, dates, and times of collection should be noted on 24h collection bottle

Sample type

24-hour urine collection bottle (plain) + Serum (clot)

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

1 hour / 4 hour / by 8am next day

Reference intervals (adult unless stated)

F: 7 – 14 mmol/24h
M: 9 – 21 mmol/24h