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HelpTest Code FGHSU Gamma-Hydroxybutyric Acid (GHB), Urine
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| FGHAC | Gamma-Hydroxybutyric Acid, CF, UR | No | No |
Testing Algorithm
If the GHB Screen, UR is non-negative, then the Gamma-Hydroxybutyric Acid, CF, UR (FGHAC) will be performed at an additional charge.
Reporting Name
GHB Screen, URSpecimen Type
UrineSpecimen Required
Collect 10 mL random urine without preservatives. Ship refrigerated in a plastic container.
Specimen Minimum Volume
1.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 14 days | |
| Frozen | 180 days | ||
| Ambient | 72 hours |
Reject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | NA |
Reference Values
Reference Range: Negative
Screening threshold: 5.0 ug/mL
Day(s) Performed
Monday through Sunday
Report Available
5 to 9 daysPerforming Laboratory
Medtox Laboratories, Inc.CPT Code Information
80307
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FGHSU | GHB Screen, UR | 29868-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z4226 | GHB | 29868-7 |
Method Name
Liquid Chromatography with Tandem Mass Spectrometry (LC/MS/MS)
Gas Chromatography/Mass Spectrometry (GC/MS) (if appropriate)