GHB
Gamma-Hydroxybutyric Acid (GHB)
EPIC Test Procedure Code: LAB3701
Performing Lab:
Referral Laboratory
Container Type:
Plain red top or green top (heparin) tube
Specimen Type:
Serum or plasma
Preferred Volume:
5 mL
Minimum Volume:
1.2 mL
Specimen Processing:
SEPARATE THE SERUM OR PLASMA FROM THE CELLS WITHIN 2 HOURS OF COLLECTION.
Transfer the serum or plasma to a plastic transport tube.
Store and Transport:
Refrigerated
Stability:
Room temperature - 3 days
For greater than 3 days, store refrigerated or frozen.
Unacceptable Condition:
Gel tubes are not allowed.
CPT Codes:
Screen:
80307 - Gamma-Hydroxybutyric Acid GHB (EAP 30121488)
Confirmation:
80375 - GHB Confirmation (EAP 30121490)
(If billing Medicare, use G0480)
Method:
Screen: Liquid Chromatography with Tandem Mass Spectrometry (LC/MS/MS)
Confirmation: Gas Chromatography/Mass Spectrometry (GC/MS)
Confirmation: Gas Chromatography/Mass Spectrometry (GC/MS)
Notes:
Benzodiazepines screen does not detect GHB.