Gamma-Hydroxybutyric Acid  Screen, Serum/Plasma

Message
Interfaced 


Test Code
GHBUT


Quest Code
37654


Preferred Specimen
5 mL serum collected in a red-top tube (no gel)


Minimum Volume
2.4 mL


Other Acceptable Specimens
Plasma collected in an: EDTA (lavender-top) tube or EDTA (pink-top) tube


Instructions

Promptly centrifuge and separate serum or plasma into a screw-cap vial



Transport Container
Transport tube


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 30 days
Refrigerated: 30 days
Frozen: 60 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Sodium citrate (light blue-top) tube • ACD (yellow-top) tube • Serum separator tube (SST) • Polymer gel separation tube (PST)


Methodology
Gas Chromatography/Mass Spectrometry (GC/MS)

Setup Schedule
Daily


Report Available
7 days after setup


Performing Laboratory
NMS Labs
200 Welsh Road
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.