GABAPENTIN

Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 1.0 mL serum (0.25 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Plasma: EDTA, heparin, fluoride, oxalate

Rejection Criteria
SST

Methodology
Tandem Mass Spectrometry

Stability
Room Temperature: 48 hours; Refrigerated: 14 days; Frozen: 14 days

Reference Range
Therapeutic: 2–12 µg/mL

Performed
Monday, Thursday

Turnaround Time2-4 days
Test CodeGABAP
CPT-4 Code (s)
80171
LOINC Codes
9738-6

Warde
Medical
Laboratory