Gamma-Hydroxybutyric Acid Screen, Urine

Test Code

Quest Code

Alias/See Also

CPT Codes

Note: all positive screens will be confirmed at NMS directory fees

Preferred Specimen
5 mL urine collected in a plastic, leak-proof container

Minimum Volume
2.4 mL

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 21 days

Gas Chromatography/Mass Spectrometry (GC/MS)

Setup Schedule
Set up: As needed; Report available: 5 days (If positive: 9 days)

Reference Range
See Laboratory Report

Performing Laboratory
NMS Labs
200 Welsh Rd.
Horsham, PA 19044

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.