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HelpTest Code LAB346 Factor V Leiden (R506Q) Mutation, Blood
Reporting Title
Factor V Leiden (R506Q) Mutation
Methodology
Direct Mutation Analysis
Direct variant analysis using polymerase chain reaction (PCR) amplification, signal generation, and release by cleavage of sequence-specific alleles.(Package insert: Invader Factor V, Invader Plus Chemistry. Hologic, Inc. 2011)
Performing Laboratory
Mayo Clinic Laboratories
Specimen Requirements
Container/Tube:
Preferred: Yellow top (ACD)
Acceptable: Lavender top (EDTA) or light blue top (sodium citrate)
Specimen Volume: Full tube
Collection Instructions:
1. Invert several times to mix blood.
2. Send specimen in original tube.
Additional Information: Can be combined with other molecular coagulation tests;
-PTNT / Prothrombin G20210A Mutation, Blood
Forward unprocessed whole blood at ambient temperature.
Specimen Stability Information
|
Specimen Type |
Temperature |
Time |
|---|---|---|
| Whole Blood | Refrigerated | 14 days |
| Ambient | 7 days | |
| Frozen | 14 days |
Specimen Transport Temperature
Ambient OK/Refrigerate OK/Frozen OK
Reference Values
Negative, no mutation detected
Day(s) Test Set Up
Monday through Friday
Turn-around-time: 3 days
Test Classification and CPT Coding
81241-F5 (coagulation factor V) (eg, hereditary hypercoagulability) gene analysis, Leiden variant