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Gamma-Hydroxybutyric Acid Screen, Urine
Test Code37653
CPT Codes
80307
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.
• 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.
Preferred Specimen
5 mL urine submitted in a leak-proof, preservative-free urine container
Minimum Volume
2.8 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)
FDA Status
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the US Food and Drug Administration.
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