G-Hydroxybutyric acid, serum/plasma

Alphabetical Test listing

G-Hydroxybutyric acid, serum/plasma-1648

  
G-Hydroxybutyric acid, serum/plasma
  
1648
  
LAB1648
  
GHB
  
γ-hydroxybutyrate
Gamma-hydroxybutyric acid
Sedative/Hypnotic
Ser GHB
  
  • Screening
  • Confirmation (if appropriate)
  

Detect the use of gamma-hydroxybutyric acid (GHB), a psychoactive drug

  
Serum
  
  
5.0 mL
  
1.2 mL
  
  1. Allow sample to clot
  2. Spin within two (2) hours of sample collection
  3. Transfer serum to a Serum/plasma transfer vial/tube (MedTox), labelled as serum
  
  
Heparin plasma
  

Dk green heparin (Li or Na), no gel

 

  

Immediately following collection, mix sample thoroughly by gentle inverting 8 - 10 times to prevent clotting

  
  1. Spin within two (2) hours of sample collection
  2. Transfer plasma to a Serum/plasma transfer vial/tube (MedTox), labelled as the appropriate plasma type
  

Serum/plasma transfer vial/tube (MedTox)

  

Refrigerated (preferred)

Ambient - 3 days

Frozen (OK)

  

Gel-barrier tubes are not recommended

  
MedTox Laboratories (19250): R-MX
  
Mo, We, Fr
  
5 - 6 days
  

Screen: Liquid Chromatography with Tandem Mass Spectrometry (LC/MS/MS)

Confirmation: Gas Chromatography/Mass Spectrometry (GC/MS)

  

Negative

  
80307
G0480 (if appropriate)
  
Yes
  
  
10/02/2006
  
01/03/2024
  
01/03/2024