Pathology Handbook

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Creatinine Clearance

Laboratory:

Clinical Biochemistry

Test Code:

CRCL

Specimen Types:

Urine 24 hour

Container Types:

Urine Bottle PLAIN

Adults Volume or Mass:

1 mL

Minimum/Paediatric Volume or Mass:

1 mL

Collection & Request Instructions:

TWO SPECIMENS REQUIRED—
Serum specimen. Collected within a 24 hour period of the urine collection (before, during or after urine collection).

Urine specimen. Accurate timing of the urine collection is required.

Transport Instructions between Sites and/or Laboratories:

RoomTemp within Alfred/Esky from External sites

Assay Frequency:

24/7

MBS Rebatable:

Yes

MBS Item No.:

66500

Additional Notes:

Calculation (for a 24 hr collection)—

(Urine CR in mmol/L) x (Urine Volume in mL) x 1000
-----------------------------------------------------------------------
(Serum CR in umol/L) x Time (mins)

Tests are performed on the Abbott Alinity

Reference Range: 90—150 mL/min