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HelpTest Code TIAGBM Tiagabine (Gabitril), Serum
Additional Codes
| Mayo | FGTIA |
| Epic ID | LAB497 |
Specimen Type
Serum RedSpecimen Required
Draw blood in a plain red-top tube(s), serum gel tube is not acceptable. Spin down and send 3 mL of serum refrigerated in a plastic vial.
Specimen Minimum Volume
0.6 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Refrigerated (preferred) | 14 days |
| Frozen | 180 days | |
| Ambient | 72 hours |
Transport refrigerated.
Reject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | NA |
Performing Laboratory
Medtox Laboratories, Inc.Method Name
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Day(s) Performed
Monday through Sunday
Report Available
2 to 6 daysReference Values
Report Limit: 5.0 ng/mL
Reference Range: <235.0 ng/mL
Therapeutic and toxic ranges have not been established.
Peak concentrations are expected at 45 minutes post dose; steady state is generally attained within 2 days.
Observed tiagabine concentrations in clinical trials (30 – 56 mg/day): <1 – 234 ng/mL.
Measured tiagabine concentrations, post marketing (95% confidence interval): 0 – 440 ng/mL.
Note: The 95% confidence interval for tiagabine concentrations determined by MEDTOX Laboratories will be updated periodically as more information becomes available.
CPT Code Information
80199