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HelpOrderable Name FGHSP Gamma-Hydroxybutyric Acid (GHB), Serum/Plasma
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.
Specimen Type
VariesSpecimen 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
Report Available
7 to 9 daysCPT Code Information
80307
Method Name
Liquid Chromatography with Tandem Mass Spectrometry (LC/MS/MS)
Gas Chromatography/Mass Spectrometry (GC/MS) (if appropriate)