Gamma-Hydroxybutyric Acid, Serum

Centralized Core Laboratory:Chemistry

Test ID/Workstation: GHBSE CLEVE

Specimen Type: Blood

Tube Type: Red top (no anticoagulant) tube

Collection Volume: 10.0 mL (minimum 4.0 mL)

Cause for rejection: -

Storage: Refrigerated

Availability: Sent to reference lab

Methodology: Gas Chromatography/Flame Ionization Detection (GC-FID); Gas Chromatography/Mass Spectrometry (GCMS)

Special Instructions: Positive results will be confirmed by GCMS.

OC Power Word: LGHBSE

Lab/Phone: 330-543-8418

TAT: 6-8 days

Additional Info: The clinical effects of gamma-hydroxybutyric acid have been associated with the following concentrations:

Wakefulness: <52 ug/mL

Light sleep: 52-156 ug/mL

Moderate sleep: 156-260 ug/mL

Deep sleep: >260 ug/mL

CPT Code: 82491

Synonyms: -

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