GAMMA-HYDROXYBUTYRIC (GHB) ACID SCREEN

Test Documentation
Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 5.0 mL serum (3.0 mL minimum) refrigerated in a screw-capped plastic vial. Positive screens will reflex to confirmation.

Alternate Specimen
Plasma: Lavender (EDTA)

Rejection Criteria
SST, Plasma: sodium citrate or ACD or PST

Methodology
Gas Chromatography/Mass Spectrometry

Stability
Room Temperature: 7 days; Refrigerated: 7 days; Frozen: 2 months

Reference Range
By report

Performed
Tuesday, Thursday

Turnaround Time7-10 days
Test CodeGHBS
CPT-4 Code (s)
80307
LOINC Codes
59681-7

Warde
Medical
Laboratory