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Item Value
Test Update Information Effective October 1, 2011. Procainamide testing is no longer performed in house. Requests will be sent to Quest Diagnostics for testing.
Approval req'd? No
Available Stat? No
Test code PNAPA
Performed by Quest
Sendout? Yes
Method Immunoassay
Collection Instructions Time to steady state: 12-24 hours

Collect samples 6-12 hours after start of infusion.

Indicate date and time of draw on requisition.

DO NOT collect in Gold top. Trough should be collected just before next dose.
Container type Red top preferred (Gold top NOT acceptable) Lavender top, Light green top or Gray top acceptable
Amount to Collect 2 mL blood
Sample type Serum or plasma
Preferred volume 1 mL serum or plasma
Min. Volume 0.2 mL serum or plasma
UCSF Rejection Criteria Sample collected in Gold top
Processing notes Aliquot and freeze. Transport to CB frozen. Order Quest test code 851N.
Units mg/L
Normal range
Therapeutic 4.0-8.0 mg/L
Potentially toxic > 16.0 mg/L
NAPA < 30.0 mg/L
Critical value ≥ 14 mg/L (> 30 mg/L for total of Procainamide + NAPA)
Synonyms Pronestyl; Procan; N-Acetylprocainamide; NAPA
Stability Room temperature 4 days, refrigerated 1 week.
Turn around times 3-5 days
Additional information Includes measurement of the metabolite NAPA.

Click here for: A Guide on Drug Level Monitoring
CPT coding 80912-90
LOINC code 3982-6, 3834-9, 3983-4
Last Updated 11/16/2014 7:07:17 PM
Entry Number 780
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