Disopyramide [416X]

Message
For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.


Test Code
DISOPY


Alias/See Also
416;
Norpace


CPT Codes
80299

Preferred Specimen
1 mL serum collected in a red-top tube (no gel)


Minimum Volume
0.5 mL


Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top), or sodium heparin (green-top) tube


Instructions
Centrifuge and immediately separate serum or plasma specimens from the cells into clean, plastic, screw-capped vial(s).


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 35 days


Methodology
Immunoassay (IA)

Setup Schedule
Set up: Mon-Sat; Report available: Next day


Reference Range
2.0-5.0 mg/L


Clinical Significance
Disopyramide is useful in treating patients with cardiac arrhythmias and tachcardia. Therapeutic drug monitoring is useful to optimize dose and avoid toxicity.


Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153



Last Updated: November 29, 2021


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.