Creatinine Clearance (Blood/Urine)

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

CRCL

Test Code (Numeric Code)

0225

Laboratory Handling

Sample Stability

7 days 2-8°C

Synonyms

CRCL

Turnaround Time

4 hours

Available 24 hours

Specimen Type

  • 24hr Urine
  • Plasma
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • 24hr Urine Container
  • Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
  • 24hr Urine Container
  • Plain (Red Top)
Preferred Sample Volume (ml)

4

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • 24hr Urine Container
  • Lithium Heparin PST- Gel (Light Green Cap)
  • Plain (Red Top)

Pre-testing Requirements

Require both urine and plasma/serum

Additional Specimen Information

A creatinine clearance requires a 24hr urine and blood taken during this period for plasma or serum creatinine performed within 24hrs of urine creatinine collection.

Last updated: 13/05/2026