Gamma-Hydroxybutyric Acid (GHB), Urine - Screen with Reflex to Confirmation/Quantitation
Also known as: GHB U
Use
This test is useful for general screening to assess drug abuse. It provides a detection of Gamma-Hydroxybutyric Acid in urine, and if the screen indicates presence, a confirmation and quantitation test is performed to provide detailed analysis. Screening and confirmation help in identifying and quantifying GHB usage in patients, which is critical for clinical evaluation in cases of suspected drug abuse, overdose, or poisoning.
Special Instructions
If the Gamma-Hydroxybutyric Acid Screen is detected, the test will reflexively add confirmation testing at no additional charge. The test is performed by a non-ARUP laboratory, specifically NMS Labs, as part of the service agreement.
Limitations
This test has not been cleared or approved by the US Food and Drug Administration. It was developed and its performance characteristics were determined by NMS Labs. It may not detect all analogs or derivatives of GHB and the presence of interfering substances in the urine may impact detection. Confirmation testing ensures more accurate quantification.
New York Approved
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 28044-6
Result Turnaround Time
5-12 days
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
5 mL
Minimum Volume
2.8 mL
Container
ARUP Standard Transport Tubes
Collection Instructions
Collect random urine.
Storage Instructions
Refrigerated. Also acceptable: Room temperature or frozen.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 1 week |
| Refrigerated | 1 week |
| Frozen | 3 weeks |