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Thrombotic Risk Profile, DNA Analysis
Factor II, DNA analysis; factor VLeiden mutation analysis; methylenetetrahydrofolate reductase (MTHFR) thermolabile variant, DNA analysis
Evaluation of patients with venous thrombosis
This assay detects the R506Q (Leiden) mutation in the factor V gene, the G20210A mutation in the factor II (prothrombin) gene, and the C677T and A1298C mutations in the MTHFR gene.
This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the US Food and Drug Administration (FDA).
Polymerase chain reaction (PCR) and gel electrophoresis
See Related Information for individual components of this profile.
Whole blood or LabCorp buccal swab kit (buccal swab collection kit contains instructions for use of a buccal swab)
7 mL whole blood or LabCorp buccal swab kit
3 mL whole blood or two buccal swabs
Maintain specimen at room temperature or refrigerate.
Causes for Rejection
Frozen specimen; hemolysis; quantity not sufficient for analysis; improper container; one buccal swab; wet buccal swab