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Test ID FGHSP Gamma-Hydroxybutyric Acid (GHB), Serum/Plasma


Specimen Required


Submit only 1 of the following specimens:

 

Serum

Specimen Type: Serum

Container/Tube: red-top tube(s)

Specimen Volume: 5 mL

Collection Instructions: Draw blood in a plain red-top tube(s), serum gel tube is not acceptable. Spin down and send 5 mL of serum refrigerated in a plastic vial.

Min Vol: 1.2 mL

 

Plasma

Specimen Type: Plasma

Container/Tube: green-top (sodium heparin)

Specimen Volume: 5 mL

Collection Instructions: Draw blood in a green-top (sodium heparin) tube(s), plasma gel tube is not acceptable. Spin down and send 5 mL of sodium heparin plasma refrigerated in a plastic vial.

Min Vol: 1.2 mL


Reflex Tests

Test ID Reporting Name Available Separately Always Performed
FGHA Gamma-Hydroxybutyric Acid, CF, SP No No

Testing Algorithm

If the GHB Screen S/P is non-negative, then the Gamma-Hydroxybutyric Acid, CF, SP (FGHA) will be performed at an additional charge.

Method Name

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

Gas Chromatography/Mass Spectrometry (GC/MS) (if appropriate)

Reporting Name

GHB Screen, S/P

Specimen Type

Varies

Specimen Minimum Volume

1.2 mL

Specimen Stability Information

Specimen Type Temperature Time
Varies Refrigerated (preferred) 7 days
  Frozen  180 days
  Ambient  72 hours

Reference Values

Reference Range: Negative

 

Screening threshold: 10.0 ug/mL

 

Day(s) Performed

Monday, Wednesday, and Friday

Report Available

7 to 9 days

Performing Laboratory

Medtox Laboratories, Inc.

Test Classification

This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.

CPT Code Information

80307

NY State Approved

Yes