Creatine, Serum

Message

Enter all applicable fields:
Test Name: Creatine, Serum
Reference Lab: QNI
Test Code: 37091
Shipping Temp: Frozen: 30 days
Specimen Type: 2 mL frozen serum
TAT: 2 days
CPT Code: 82540
Cost: _
Additional Comments: _
FDA Approved Test: YES_ NO_ LDT_
Medical Director/Pathologist: approved by
Billing Completed by_ Date_ Time_

Test Code

QNI FLEXI 37091

Quest Code

37091

Alias/See Also

# CREB
37091

CPT Codes
82540

Preferred Specimen

2 mL frozen serum

Minimum Volume

1 mL

Instructions

Centrifuge and transfer serum specimen to a clean, plastic screw-cap vial. Freeze and ship frozen.

Transport Temperature

Frozen

Specimen Stability

Room temperature: 4 hours
Refrigerated: 24 hours
Frozen: 30 days

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

Hemolysis

Methodology
Enzymatic

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

P.M. Sets up 5 days a week.

Reference Range

<1.3 mg/dL

Clinical Significance

Creatine, produced by the liver, is essential for metabolism of the brain and muscles. Creatine is converted to creatinine and excreted.

Performing Laboratory
Quest Diagnostics Chantilly Nichols Institute
14225 Newbrook Dr.
Chantilly, VA 20151-2228

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.