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HelpTest ID 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 Serum
Collection Instructions:
1. Within 2 hours of collection, centrifuge the specimen.
2. For serum gel tubes, plasma may sit on gel refrigerated or be aliquoted into a plastic vial.
3. For red top tubes, aliquot serum immediately into a plastic vial.
Secondary ID
8683Useful For
Monitoring therapy with procainamide
Assessing compliance
Evaluating procainamide toxicity
Specimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| 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 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
80192
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Cardiovascular Test Request (T724)
-Therapeutics Test Request (T831)