Factor XIII V34L Mutation Analysis [16178X]

Test Code
16178

CPT Codes
81400<br /> ** This test code is for non-New York patient testing. For New York patient testing, use test code 16179X**

Physician Attestation of Informed Consent
This germline genetic test requires physician attestation that patient consent has been received if ordering medical facility is located in AK, DE, FL, GA, IA, MA, MN, NV, NJ, NY, OR, SD or VT or test is performed in MA.

Preferred Specimen
5 mL whole blood collected in an EDTA (lavender-top) tube

Minimum Volume
3 mL

Other Acceptable Specimens
Whole blood collected in: ACD solution A or B (yellow-top) tube, lithium heparin (green-top) tube, or sodium heparin (green-top) tube

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 8 days
Refrigerated: 8 days
Frozen: Unacceptable

Methodology
Polymerase Chain Reaction (PCR) • Single Nucleotide Primer Extension

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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Thurs; Report available: 8-15 days

Reference Range
See Laboratory Report

Clinical Significance
This test detects a polymorphism in the Factor XIII (FXIII) gene, Val34Leu, which has a small, but significant protective effect against venous thrombosis. It has also been associated with lower risk for stroke an myocardial infarction.

Performing Laboratory
Quest Diagnostics Nichols Inst San Juan Capistrano
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130



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.