Gamma-Hydroxybutyric Acid Screen, Serum/Plasma Test (9326SP)

Gamma-Hydroxybutyric Acid Screen, Serum/Plasma Test (9326SP)

Analysis Code 9326SP 
Test Name Gamma-Hydroxybutyric Acid Screen, Serum/Plasma 
Test Includes Gamma-Hydroxybutyric Acid 
Compound Synonym(s) GHB; Gamma-Hydroxybutyrate; Sodium Oxybate; Xyrem 
Purpose Forensic Analysis; Exclusion Screen; This test is New York State approved. 
Category Hypnotic, Sedative 
Method(s) Gas Chromatography/Mass Spectrometry
(GC/MS) 
Specimen Requirements 5 mL Serum or Plasma 
Transport Temperature Refrigerated 
Specimen Container Plastic container (preservative-free) 
Special Handling Serum: Collect sample in Red top tube
Plasma: Collect sample in Lavender top tube (EDTA) or Pink top tube.
Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines. 
Light Protection Required Not Required 
Stability Room Temperature: 7 day(s)
Refrigerated: 7 day(s)
Frozen (-20 °C): 2 month(s) 
*Rejection Criteria Light Blue top tube (Sodium Citrate). Yellow top tube (ACD - Acid Citrate Dextrose). Polymer gel separation tube (SST or PST). 
Day(s) Test Set-up / TAT [GC/MS] Tuesday Thursday / 4 days 
Suggested CPT Code 80307 
**Minimum Volume 2.4 mL 
Reflex Testing
(when required, addl' fee may apply)
5101SP - Gamma-Hydroxybutyric Acid Confirmation, Serum/Plasma 
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You are viewing Gamma-Hydroxybutyric Acid Screen, Serum/Plasma Test (9326SP)
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.


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