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Gamma-Hydroxybutyric Acid Screen, Urine
Test Code37653
Includes
If the screen is positive, confirmatory testing will be added automatically at no additional charge:
• If the GHB screen needs confirmation it will reflex to Gamma-Hydroxybutyric Acid Confirmation, Urine (CPT code(s): 82542)
• If the Creatinine value is Less than or equal to 300 mg/L or equal to or greater than 3000 mg/L, then Specific Gravity Confirmation, Urine will reflex (CPT code(s): 82570)
• If the GHB screen needs confirmation it will reflex to Gamma-Hydroxybutyric Acid Confirmation, Urine (CPT code(s): 82542)
• If the Creatinine value is Less than or equal to 300 mg/L or equal to or greater than 3000 mg/L, then Specific Gravity Confirmation, Urine will reflex (CPT code(s): 82570)
Preferred Specimen
Urine collected in Sterile Cup
Minimum Volume
1 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 21 days
Refrigerated: 7 days
Frozen: 21 days
Methodology
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
