Creatine, 24-Hour Urine

Test Code

592

CPT Codes
82540

Includes

Creatinine

CPT code 81050 may be added at an additional charge for volume measurement

Preferred Specimen

3 mL urine from a 24-hour collection - no preservative

Minimum Volume

2 mL

Instructions

Collect without preservative. Refrigerated 2-8° C during collection. Submit in a plastic leak proof container, freeze immediately at -20° C or lower.

Transport Container

Plastic urine container

Transport Temperature

Frozen

Specimen Stability

Room temperature: 4 hours
Refrigerated: 24 hours
ozen: 90 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Received thawed • Received refrigerated • Received room temperature

Methodology
Colorimetric (C) • Enzymatic

Setup Schedule

a.m. Mon-Fri

Report Available

5 days

Reference Range

⁠⁠⁠⁠⁠⁠⁠Creatine, 24-Hour Urine

Male	6-56 mg/24hr
Female	8-170 mg/24hr

Performing Laboratory

Quest Diagnostics Nichols Institute-Chantilly VA

14225 Newbrook Drive

Chantilly, VA 20151-2228

Last Updated: November 6, 2024

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.