Lab Test

Creatine, Urine

Urine Creatine

Test Codes

ARUP #2002343, EPIC: LAB5997, SOFT: XCREU

Department

Send Outs

Instructions

Caution: Please be careful not to confuse Creatine, Urine with the in-house Creatinine, Urine.

Specimen Collection Criteria

Collect: Random urine specimen in a screw-capped container (preferred) or other sterile collection cup. (Minimum: 0.5 mL)

Critical frozen. Freeze specimen immediately after collection.

Physician Office/Draw Specimen Preparation

Critical frozen. Maintain specimen frozen (-20°C/-4°F or below) prior to transport.

Preparation for Courier Transport

Transport: 2.0 mL urine, frozen (-20°C/-4°F or below). (Minimum: 0.5 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Critical frozen. Maintain specimen frozen (-20°C/-4°F or below) prior to transport.

Transport: 2.0 mL urine, frozen (-20°C/-4°F or below). (Minimum: 0.5 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): Unacceptable
Refrigerated (2-8°C or 36-46°F): Unacceptable
Frozen (-20°C/-4°F or below): 14 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT.

Performed

Monday.
Results available 3-10 days.

Reference Range

By report.

Test Methodology

Liquid Chromatography/Tandem Mass Spectrometry.

CPT Codes

82540
LOINC:  34275-8, 24-Hour 2150-1

Contacts

Last Updated

7/7/2021

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