91420      Procainamide + NAPA
Specimen:
  Collect: One 10 mL Red Top

Also Acceptable
One 4 mL Green Top (Na Heparin) 
  Submit: 1 mL (Min:0.5 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable
1 mL (Min:0.5 mL) Plasma. Submit Refrigerated. Submit in a Standard Transport Tube. 
  Rejection Criteria: Use of separator tubes 
  Stability: Ambient: 1 Week(s); Refrigerated: 1 Week(s); Frozen: 6 Month(s); Incubated: Unacceptable 
Methodology: Fluorescence Polarization Immunoassay (FPIA) 
Performed: Sun-Sat 
Reported: 1-2 Day(s) 
CPT Codes:
80192 - TDM Procainamide with Metabolites
Interpretive Data: Please see report for interpretive data.
Components:
91421 - NAPA91422 - PROCAINAMIDE