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Methodology:Fluorescence Polarization Immunoassay (FPIA)
Edit Date:2/16/2010
Components:Procainamide / N-acetylprocainamide (NAPA)
Released:24 hours after setup at PeaceHealth Laboratories' reference lab
CPT Code:80192-90
Specimen Collection Details
Collection:One 5 mL red top tube. Do not use a serum separator tube (SST) or plasma separator tube (PST). Also acceptable: One 4 mL green top tube (sodium heparin).
Handling:Allow to clot, centrifuge and immediately separate serum or plasma into a plastic vial. Refrigerate.
Stability:7 days ambient, 14 days refrigerated, or 6 months frozen.
Standard Volume:1 mL serum or plasma.
Minimum Volume:0.5 mL serum or plasma.
Rejection Criteria:EDTA plasma; use of separator tube, gels, or grey top tube (sodium fluoride/potassium oxalate).
Reference Range:
N-acetylprocainamide (NAPA) 6.0-20.0 µg/mL Toxic: ≥ 35.1 µg/mL
Procainamide 4.0-10.0 µg/mL Toxic: ≥ 12.1 µg/mL