Neutralizing Ab, Apixaban (Phase 4 Baseline)

Test Code

901668

CPT Codes
82397<br /> This test is not available for New York patient testing<br /> Restricted Client Code

Preferred Specimen

1.5 mL plasma collected in 3.2% sodium citrate (light blue-top) tube

Minimum Volume

1 mL

Instructions

Centrifuge the Sodium Citrate tubes (light blue top) ~2500 x g for 15 min at room temperature within 35 min of the time of blood collection. After the initial centrifugation, transfer plasma without disturbing the buffy coat, to an appropriate polypropylene tube and centrifuge again at 2500 x g for 15 min at room temperature. This step is required to insure that the platelet count is less than 10,000/mm3.

Transport Container

Polypropylene tube

Transport Temperature

Frozen

Specimen Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 28 days

Methodology
Chromogenic

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Mon-Fri; Report available: 42 days

Reference Range

See Laboratory Report

Clinical Significance

This method is intended to measure the potential neutralizing activity of anti-test article antibody (ATA) in human plasma.

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.