Test Overview

Test Methodology

Gas Chromatography (GC)

Test Usage

Therapeutic Drug Monitoring.

Test Details

Days Test Performed

Monday - Friday

Analytic Time

3 days

Soft Order Code

MMLR

Synonyms

Synonyms

Calan
Isoptin
Norverapamil
VERAPAMIL, SERUM
NORVERAPAM
VERAPAMIL

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Laboratory

Sendout

Laboratory Reference

Mayo Wild 86 (ZW86) (NMS 4770SP)

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Specimen Requirements

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.

Rejection Criteria

SST or PST tube not acceptable.

Container

Yellow Top Tube
Red Top Tube

Normal Volume

3 mL serum or plasma

Minimum Volume

1.2 mL serum or plasma

Additional Information

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.

Billing Information

Fee Codes


CPT Code

80375

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