Test Code MYSO Primidone (Mysoline®), Serum
Performing Laboratory
NorDxReference Values
MYSOLINE®Therapeutic concentration: 5.0-12.0 µg/mL
Toxic concentration: >20.0 µg/mL
PHENOBARBITAL
Therapeutic concentration: 15.0 - 40.0 µg/mL
Toxic concentration: >60.0 µg/mL
Methodology
ImmunoassaySpecimen Requirements
Draw blood in a plain, red-top tube or serum gel tube. Spin down and send 1 mL (minimum volume: 0.5 mL) of serum refrigerated. Phenobarbital (metabolite) determination required for proper interpretation.Day(s) Test Set Up
Monday through SundayTest Classification and CPT Coding
80184-Phenobarbital80188-Primidone (Mysoline®)