Preferred Specimen(s) 5 mL whole blood
Transport Container EDTA (lavender-top)
Transport Temperature Room temperature
Reject Criteria Received frozen
Methodology Polymerase Chain Reaction, Oligonucleotide Ligation Assay, Fluorescent Microspheres
Clinical Significance Factor II Mutation (G20210A) is one of the most common causes of venous thrombosis. 2.3% of the general population is heterozygous in contrast with 6.2% of patients with venous thrombosis and 18% with familial venous thrombosis. Other risk factors compound the risk for venous thrombosis.