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Test Code MYSO Primidone (Mysoline®), Serum

Performing Laboratory

NorDx

Reference 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

Immunoassay 

Specimen 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 Sunday 

Test Classification and CPT Coding

80184-Phenobarbital
80188-Primidone (Mysoline®)