Myoglobin, Urine (UMYOG)

Test Code

LAB2094

Quest Code

661

Alias/See Also

UMYOG

CPT Codes
83874 This test is not available for New York patient testing at Quest Diagnostics Nichols Institute-Chantilly, VA. Orders for New York patients will be redirected to Quest Diagnostics Nichols Institute-Valencia, CA for testing.

Preferred Specimen

4 mL random urine submitted in a myoglobin transport tube

Minimum Volume

4 mL

Instructions

Add exactly 4 mL random urine to a Myoglobin transport tube within one hour of collection. Freeze and ship frozen. (Transport tube, product # 170764, is available through Client Supply) Exactly 4 mL of urine in the Myoglobin transport tube is required to achieve the required pH of >8.0. More than 4 mL of urine will lower the pH outside acceptable range

Transport Container

Myoglobin transport tube
Kennestone nursing: call lab for instructions regarding collection and transport.

Transport Temperature

Frozen

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 72 hours
Frozen: 72 hours

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

Received in a non-Myoglobin transport tube • Specimen received past stability • pH <8.0 • Timed urine • More than 4 mL urine in Myoglobin transport tube • Received room temperature

Methodology
Nephelometry

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.

This test is not available for New York patient testing at Quest Diagnostics Nichols Institute-Chantilly, VA.
Orders for New York patients will be redirected to Quest Diagnostics Nichols Institute-Valencia, CA for testing.

Setup Schedule

Am Monday-sunday

Report Available

2 days

Reference Range

<28 mcg/L

Clinical Significance

The breakdown of skeletal muscle (rhabdomyolysis) releases myoglobin. Very high concentrations of myoglobin may increase the risk of acute renal failure.

Performing Laboratory

Quest Diagnostics Nichols Institute-Chantilly VA

14225 Newbrook Drive

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.