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HelpTest Code PA Procainamide and N-Acetylprocainamide, Serum
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Serum gel tubes should be centrifuged within 2 hours of collection.
2. Red-top tubes should be centrifuged and the serum aliquoted into a plastic vial within 2 hours of collection.
Useful For
Monitoring therapy with procainamide
Assessing compliance
Evaluating procainamide toxicity
Reporting Name
Procainamide and NAPA, SSpecimen Type
SerumSpecimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | 14 days | |
| Refrigerated | 7 days | ||
| Ambient | 24 hours |
Reject Due To
| Gross hemolysis | Reject |
Reference Values
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: ≥40.0 mcg/mL
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 to 2 daysSpecimen Retention Time
2 weeksPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
80192
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PA | Procainamide and NAPA, S | 3983-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 8683 | Procainamide, S | 3982-6 |
| 2461 | N-acetylprocainamide, S | 3834-9 |
| 2462 | Procainamide + NAPA | 3983-4 |
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.