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Creatine Disorders Panel, Urine

Test Codes

ARUP: 2002333, EPIC: LAB7594, Beaker: XCREPU

Department

Send Outs

Instructions

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

Specimen Collection Criteria

Collect (preferred specimen): Random 2mL urine specimen in a screw-capped container (preferred) or other sterile collection cup. (Minimum: 0.5 mL)

Send specimen for processing immediately after collection.

Physician Office/Draw Specimen Preparation

Freeze (-20°C/-4°F or below) immediately.

Preparation for Courier Transport

Transport: 2mL random urine, frozen (-20°C/-4°F or below). (Minimum: 0.5 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Freeze (-20°C/-4°F or below) immediately.

Transport: 2mL random 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): 6 hours
Refrigerated (2-8°C or 36-46°F): 24 hours
Frozen (-20°C/-4°F or below): 6 months (3 freeze/thaws are acceptable)

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 are available in 3-10 days.

Reference Range

By report.

Test Methodology

Liquid Chromatography/Tandem Mass Spectrometry.

CPT Codes

82540, 82542, 82570

Contacts

Last Updated

4/10/2021