TOPIRAMATE

Test Documentation
Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate, remove serum from cells within 6 hours and send 1.0 mL serum (0.2 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Plasma: EDTA, heparin

Rejection Criteria
SST

Methodology
LC-MS/MS

Stability
Room Temperature: Unacceptable; Refrigerated: 7 days; Frozen: 14 days

Reference Range
2-20 µg/mL

Performed
Monday, Thursday

Turnaround Time2-4 days
Test CodeTOPIR
CPT-4 Code (s)
80201
LOINC Codes
17713-9

Warde
Medical
Laboratory