Test Overview
Test Methodology

Homogeneous Enzyme Immunoassay

Test Usage

Therapeutic drug monitoring.

Reference Range *

PROCAINAMIDE: Therapeutic: 4.0 - 10.0 mcg/mL; Critical value: >12.0 mcg/mL.
N-ACETYLPROCAINAMIDE: Therapeutic: 12.0 - 18.0 mcg/mL; Critical value: > or =40.0 mcg/mL.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Saturday
Analytic Time

2 - 3 days

Soft Order Code
MAPA
MiChart Code
MAPA
Synonyms
  • N-Acetylprocainamide (NAPA)
  • NAPA (N-Acetylprocainamide)
  • Pronestyl
Laboratory
Sendout
Reference Laboratory
Mayo PA
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in an SST (preferred) or red top tube. Centrifuge and aliquot serum into a plastic vial within 2 hours of collection and freeze. Draw trough level immediately prior to next oral dose or draw 6-12 hours after start of IV maintenance infusion.

Normal Volume

0.5 mL serum

Minimum Volume

0.25 mL serum

Storage Temperature
Frozen preferred, refrigerated acceptable
Additional Information

Test includes Procainamide and its primary metabolite N-acetylprocainamide (NAPA). Test sent to Mayo Medical Laboratories.

Billing
CPT Code
80192
Fee Code
AA350
LOINC
3983-4
NY State Approved
No