Gamma Hydroxybutyrate, Urine
General Information
- Lab Name
- Gamma Hydroxybutyrate, URN
- Lab Code
- RUGHB
- Epic Ordering
- Gamma Hydroxybutyrate, Urine
- Description
- Synonyms
- Gamma butyrolactone, Gamma Hydroxybutyric Acid-Urine, GBL, GHB-Urine
Interpretation
- Method
- Screening by Liquid Chromatography with Tandem Mass Spectrometry(LC/MS/MS). Reflex Confirmation by Gas Chromatography-Mass Spectrometry (GC-MS)
- Reference Range
-
Units: mcg/mL
Female Male Age Range Age Range 0- Negative [NRN] 0- Negative [NRN] Effective date: 04/01/2010
Ordering & Collection
- Specimen Type
- Urine
- Collection
- 10 mL RANDOM URINE
- Handling Instructions
- Quantity
-
requested: 10 mL urine
minimum: 1.2 mL urine
Processing
- Processing
- Refrigerate urine
Sendouts, order Mayo test code: FGHSUStability: Refrigerated (preferred): 14 days; Frozen: 180 days; Ambient: 72 hours
Performance
- LIS Dept Code
- Sendouts Mayo Lab (RF) (MARF)
- Performing Location(s)
-
HMC Sendout UW-MT Sendout - Other Locations/Notes
-
MAYMTXMAYO forwards to Medtox Laboratories (MDTX) 402 W County Rd D, St. Paul, MN 551121-800-533-1710 (Mayo)
- Frequency
- Monday - Sunday Analytic time: 5 days
- Available STAT?
- No
Billing & Coding
- CPT codes
- 83921
- LOINC
- 28044-6