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

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 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


Specimen Minimum Volume

1.2 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
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

Performing Laboratory

Medtox Laboratories, Inc.

CPT Code Information

80307

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FGHSP GHB Screen, S/P 46085-7

 

Result ID Test Result Name Result LOINC Value
Z4223 GHB 46085-7

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.

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.

Report Available

7 to 9 days

NY State Approved

Yes