Venous Thrombosis with Reflex Coumadin Patient [19622X]

Test Code
18156

CPT Codes
81240, 83090, 85240, 85300, 85307, 85598, 85613, 86146 (x2), 86147 (x2)<br /> This test is for Non-New York State clients only. For New York State patient testing, use code 19686X.

Includes
[22X] Activated Protein C Resistance; [17909] Prothrombin Gene Analysis*; [216] Antithrombin III Activity; [31789] Homocysteine (Cardiovascular); [4663] Cardiolipin Antibody, IgM; [4662] Cardiolipin Antibody, IgG; [347X] Factor VIII Activity, Clotting; [36553X] B2-Glycoprotein I (IgM) Ab; [36554X] B2-Glycoprotein I (IgG) Ab; [36573X] Hexagonal Phase Neutralization; [15780X] dRVVT Screen w/Reflex dRVVT Confirm & dRVVT 1:1 Mix

Possible reflex: If APC Resistance, is < 1.6 Ratio, then order reflexes to Factor V (Leiden), performed at an additional charge (CPT code: 81241).

Preferred Specimen
Please see the individual tests for specimen requirements, and stabilities.

Instructions
Serum, whole blood, and plasma are required for this test.

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis

Methodology
Chromogenic • Immunoassay (IA) • Invader Assay/Signal Amplification • Clot Detection • RVVT Based Clot Assay

*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. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up and Report available: Varies with assay

Reference Range
See individual tests

Clinical Significance
Deep vein thrombosis (DVT) and pulmonary embolism (PE) are a common cause of morbidity and mortality. Assessing for thrombophilia risk factors helps determine the intensity and duration of anticoagulant therapy.

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



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.