Sign in →

Gamma-hydroxybutyrate, Quantitative

Clinical System Name

Miscellaneous

Synonyms

Gamma Hydroxybutyrate
GHB

Sample Requirements

Specimen: Urine

Container(s): Leak-Proof Container

Preferred Vol: 10 mL

Minimum Vol:

 

Note: Collect random urine sample. Send to Lab immediately after collection.

Processing Instructions

Reject due to:

Spin: N

Aliquot: Y

Temp: - 20 C

Storage location: Put 10 mL urine in a Nalgene bottle affixed with a large computer label in the CPA freezer send-outs rack.

 

Off-site collection:

Stability

Specimen Type Temperature Time
Random urine Room temp 3 d
  Refrigerated Y
  Frozen Y

 

Availability

STAT Performed TAT
N Daily 1 - 7 d

 

Performing Laboratory

Medtox Laboratories

Department

Department:

Medtox Laboratories

402 West County Road D
St Paul, MN 55112
 

Phone Number: (800) 832-3244

 

 

Reference Range

 

  ug/mL
Range Negative
Reporting Limit 5.0

 

 

 

 

Methodology

Method: GC - FID

Analytical Volume: 2 mL

Limitations:

CPT Codes

82491

82542 if positive 

Send Out Instructions

 

Reference Test Name: Gamma-Hydroxybutyric Acid, Urine
Reference Test Number: 1365
Instructions: Send out Mon - Thurs overnight via FedEx using a Medtox requisition. Medtox accepts Saturday deliveries. Ship at ambient temperature.