Quinidine, Serum

Useful For: Quinidine – Quinidine is used in the treatment of acute and chronic supraventricular arrhythmias and ectopic rhythm disturbances. Quinidine clearance can be altered by changes in plasma proteins and in renal and/or hepatic dysfunction. Both quinidine and the related isomer quinine possess antimalarial schizonticide activity. Quinidine levels are monitored to assure adequate therapeutic levels are achieved and to avoid toxicity.

Methodology: Fluorescent Polarization Immunoassay (FPIA)

Specimen Requirements: 1 plain, red-top tube (minimum: 0.2 mL of serum) collected just prior to next dose. Centrifuge red-top 30 minutes after draw. Refrigerate specimen after collection.

SST tube not acceptable.
Lavender-top (EDTA plasma) is also acceptable.

Analytical Time:
2 days

Days Set Up: Monday through Sunday

CPT Information:
80194 –

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