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Test Code PROC/NAPA Procainamide/NAPA, Serum

Performing Laboratory

NorDx

Specimen Requirements

Draw blood in a plain, red-top tube(s) or a serum gel tube(s). Spin down and send 1 mL of serum refrigerated.

Note:  Label specimen with patient’s name (first and last), date of birth, date and time of draw, and phlebotomist’s initials.

Test Classification and CPT Coding

80192

Methodology

Fluorescence Polarization Immunoassay (FPIA)

Procainamide is indicated in the treatment of premature ventricular contractions, ventricular tachycardia, atrial fibrillation, and paroxysmal atrial tachycardia. Procainamide is contraindicated in patients with complete atrio ventricular block.

Includes a separate determination of N-acetylprocainamide (NAPA).

Reference Values

PROCAINAMIDE

Therapeutic concentration:  4.0-12.0 µg/mL

Toxic concentration:  >12.0 µg/mL

PROCAINAMIDE/NAPA

Therapeutic concentration:  5.0-30.0 µg/mL (total of both)

Toxic concentration:  >30.0 µg/mL

Day(s) Test Set Up

Monday through Sunday