PRIMIDONE

Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 1.0 mL serum (0.2 mL minimum) refrigerated in a screw-capped plastic vial.

Methodology
High Performance Liquid Chromatography

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

Reference Range
Therapeutic range:   4-12 µg/mL  
Toxic Level:   >20 µg/mL  

Performed
Monday-Friday

Turnaround Time1-3 days
Test CodePRIMI
CPT-4 Code (s)
80188
LOINC Codes
3978-4

Warde
Medical
Laboratory