Gamma-Hydroxybutyric Acid Screen, Serum/Plasma
Order Code:
GHBA
Test Summary
Forensic Analysis; Exclusion Screen
Aliases
- NMS code 9326SP, Sodium Oxybate, Xyrem
Specimen Collection
Special Instructions
N/A
Preferred Specimen
5 mL serum collected in a red top tube
Minimum Volume
2.4 mL
Instructions
Promptly centrifuge and separate serum or plasma into a plastic, screw-capped vial, using approved guidelines.
Patient Preparation
N/A
Storage
Plastic screw-cap vial
Transport Temperature
Refrigerated
Specimen Stability
- Room temperature: 30 days
- Refrigerated: 30 days
- Frozen: 60 days
Limitations
N/A
Other Acceptable Specimens
Plasma collected in a lavender top tube (EDTA) or pink top tube (EDTA)
Unacceptable Specimens
Sodium citrate (light blue-top) tubes • Polymer gel separation tube (SST or PST) • ACD acid citrate dextrose (yellow-top) tube
Order Code
GHBA
EPIC (Premier) Code
LAB3903
Includes
N/A
CPT Code
- 80307
Billing Code
- 671198
CPT Statement
Methodology
Gas Chromatography/Mass Spectrometry (GC/MS)
FDA Status
This test was developed and its performance characteristics have been determined by NMS Labs. It has not been cleared or approved by the U.S. Food and Drug Administration.
Physician Attestation of Informed Consent
N/A
Testing Laboratory
National Medical Services
200 Welsh Rd
Horsham PA, 19044
200 Welsh Rd
Horsham PA, 19044
Department
Reference Testing
Reference Range
See Laboratory Report
Setup Schedule / Expected Turnaround Time
Report available: 4 - 6 days (If Positive: 6 - 12 days)
Specimen Collection
Special Instructions
N/A
Preferred Specimen
5 mL serum collected in a red top tube
Minimum Volume
2.4 mL
Instructions
Promptly centrifuge and separate serum or plasma into a plastic, screw-capped vial, using approved guidelines.
Patient Preparation
N/A
Storage
Plastic screw-cap vial
Transport Temperature
Refrigerated
Specimen Stability
- Room temperature: 30 days
- Refrigerated: 30 days
- Frozen: 60 days
Limitations
N/A
Other Acceptable Specimens
Plasma collected in a lavender top tube (EDTA) or pink top tube (EDTA)
Unacceptable Specimens
Sodium citrate (light blue-top) tubes • Polymer gel separation tube (SST or PST) • ACD acid citrate dextrose (yellow-top) tube
Result Information
Methodology
Gas Chromatography/Mass Spectrometry (GC/MS)
Testing Laboratory
N/A
Reference Range
See Laboratory Report
Setup Schedule / Expected Turnaround Time
Report available: 4 - 6 days (If Positive: 6 - 12 days)