ARUP's Laboratory Test Directory

Procainamide and NAPA : 0090151

Mnemonic: PROC

Methodology: Immunoassay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Plain red. Also acceptable: Green (sodium heparin).

Specimen Preparation: Separate serum from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: EDTA plasma. Gray (sodium fluoride/potassium oxalate) or separator tubes or gels.

Stability (collection to initiation of testing): After separation from cells: Ambient: 1 week; Refrigerated: 2 weeks; Frozen: 6 months
Reference Interval:
 
Test Number Components Reference Interval
 N-acetylprocainamide (NAPA) 6.0-20.0 µg/mL
Toxic: 35.1 µg/mL or greater 
 Procainamide4.0-10.0 µg/mL
Toxic: 12.1 µg/mL or greater

CPT Code(s): 80192
Cross References: NAPA (Procainamide & NAPA), Pronestyl (Procainamide & NAPA)