Gamma-Hydroxybutyric Acid


Sunquest Code:GHB  
Epic Code:LAB3499Epic Name:Gamma OH Butyrate
Synonyms:GHB
Methodology:Liquid chromatography with tandem mass spectrometry; Gas chromatography/mass spectrophotometry
CPT Code:80307
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 5 days.


Collection Instructions

Specimen:Blood
Optimal Volume:10 mL
Minimum\Peds Volume:5.0 mL
Container:Red (no gel) (Green (lithium heparin, no gel), Green (sodium heparin, no gel))


Processing and Shipping

Specimen Processing:Aliquot 5 mL, 2.4 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:18250


Interpretive

Reference Range:

Negative

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

Wakefulness

51 ug/mL or less

Light sleep

52-156 ug/mL

Moderate sleep

156-260 ug/mL

Deep sleep

261 ug/mL or greater

 

 



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