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Help19911 A→G Mutation Analysis
Additional Codes
LAB3513
Methodology
Capillary Electrophoresis • Fluorescence Detection • Polymerase Chain Reaction Amplification • Single Nucleotide Extension
Reference Range(s)
See Laboratory Report
Preferred Specimen(s)
5 mL whole blood collected in an EDTA (lavender-top) tube
Alternative Specimen(s)
Whole blood collected in: ACD solution A or B (yellow-top) tube, lithium heparin (green-top) tube or sodium heparin (green-top) tube
Minimum Volume
3 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 8 days
Refrigerated: 8 days
Frozen: Unacceptable
Setup Schedule
Set up: Thur a.m.; Report available: 14 days
Reject Criteria
Received frozen
Clinical Significance
This test can be used to detect the 19911A→G polymorphism in the prothrombin (Factor II) gene which may modulate the risk of deep vein thrombosis in patients with the G20210A mutation
CPT Code
81400