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Gamma-Hydroxybutyric Acid (GHB), Urine

Performing Laboratory

Pathology Associates Medical Laboratories (PAML)

Methodology

Gas Chromatography-Mass Spectrometry (GC-MS)

Specimen Requirements

50 mL (minimum volume:  10 mL) from a random urine collection in a screw-capped, sterile urine container. No preservative. Send specimen refrigerated.  Room temp: 1 week, ref: 2 weeks.  Maintain sterility and forward promptly.

Test Classification and CPT Coding

83921