Primidone, Serum

Additional Info: Test includes primidone and phenobarbital.

Useful For: Phenobarbital is the major metabolite of Primidone.

Methodology: Immunoassay (IA)

Specimen Requirements: 1 plain, red-top tube (minimum: 1.0 mL of serum). Centrifuge red-top within 30 minutes after draw. Refrigerate specimen after collection.

SST tube not acceptable.
1 lavender-top (EDTA plasma) is also acceptable.

Analytical Time: 1 day

Days Set Up: Monday through Sunday

CPT Information:
80188 – primidone
80184 – phenobarbital