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HelpTest Code GABA Gabapentin, Serum
Reporting Name
Gabapentin, SPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Monitoring serum gabapentin concentrations
Assessing compliance
Adjusting dosage in patients
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Red top (serum gel/SST is not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Collect specimen immediately before next scheduled dose.
2. Within 2 hours of collection, centrifuge and aliquot serum into plastic vial.
Specimen Minimum Volume
0.2 mL
Specimen Type
Serum RedSpecimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum Red | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Day(s) Performed
Monday through Saturday
Reference Values
2.0-20.0 mcg/mL
Toxic Range: ≥25.0 mcg/mL
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
80171
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| GABA | Gabapentin, S | 9738-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 80826 | Gabapentin, S | 9738-6 |
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Neurology Specialty Testing Client Test Request (T732)
-Therapeutics Test Request (T831)