Gas Chromatography (GC)
Therapeutic Drug Monitoring.
Days Test Performed
Monday - Friday
Soft Order Code
Mayo Wild 86 (ZW86) (NMS 4770SP)
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Offsite Collection Instructions
Collect specimen in a red or green top tube; do not use SST tube. Centrifuge, aliquot serum or plasma into a plastic vial and refrigerate.
SST or PST tube not acceptable.
3 mL serum or plasma
1.2 mL serum or plasma
Verapamil is used alone for treatment of vasospastic, unstable, and chronic stable angina, and with digoxin for control of ventricular rate in patients with chronic atrial flutter and/or fibrillation, and for prophylaxis of repetitive paroxysmal supraventricular tachycardia. Test sent to Mayo Medical Laboratories; performed by NMS Labs.