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G-hydroxybutyric Acid, Urine-2008A

Test info

Test name:

G-hydroxybutyric Acid, Urine

Test number:

2008A

Excellian order number:

LAB2008

Abbreviation:

GHB

Alternate names:

γ-Hydroxybutyric acid
Gamma-hydroxybutyric acid
Sedative/Hypnotic

Tests included:

Screen with reflex to Confirmation

Useful for:

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

Specimen

Specimen type:

Urine, random

Collection container:

Screw cap plastic container (non sterile)

Volume:

10 mL

Minimum volume:

2.0 mL

Processing instructions:

Transfer a 10 mL aliquot of random urine to a Urine transfer vial/tube (MedTox)

Transport container:

Urine transfer vial/tube (MedTox)

Transport and stability:

Refrigerated (preferred)

Ambient - 3 days

Frozen (OK)

Performance

Performing lab:

MedTox Laboratories (19255): R-MX

Days set up:

Mo, We, Fr

TAT:

5 - 6 days

Method:

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

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

Clinical and Interpretive info

Reference ranges:

Negative

Billing

CPT codes:

80307

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

Tracking

Date created:

10/02/2006

Revised date:

08/25/2023

Review date:

08/17/2023