Gamma-Hydroxybutyric Acid, Urine




Test Mnemonic

GHBURN

CPT Codes

  • G0480 - QTY (1)
  • 80307 - QTY (1)
  • 80307 - QTY (1)

Aliases

  • GHB, Urine

Includes

  • GHB Screen, Urine

Performing Laboratory

LabCorp


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
10 mLUrine, randomClean container Refrigerated 

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1.2 mL     

Stability

Environmental Condition Description
Ambient2 days
Refrigerated2 weeks
Frozen6 months

Days Performed

Varies

Turnaround Time

8 - 11 days

Methodology

Name Description
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) 

Reference Range

Gamma-Hydroxybutyric Acid, Urine
Sex Age From Age To Type Range Range Unit
       Negative 

Special Info

Positive screening results will automatically reflex quantitative confirmation with an additional charge.

Clinical Info

Screening threshold: 10.0 ug/mL This test is used to detect the presence of gamma hydroxybutyric acid (GHB), a central nervous system depressant.