Ordering Recommendation
Determine thrombotic risk in individuals known to be factor V Leiden heterozygotes.
Mnemonic
F5R2 MUTAT
Methodology
Polymerase Chain Reaction
Performed
Varies
Reported
3-12 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Lavender (EDTA). Also acceptable: Yellow (ACD solution A or B).
Specimen Preparation
Transfer 5 mL whole blood to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Storage/Transport Temperature
Room temperature. Also acceptable: Refrigerated.
Unacceptable Conditions
Remarks
Stability
Ambient: 1 week; Refrigerated: 1 week; Frozen: Unacceptable
Reference Interval
Interpretive Data
Compliance Category
Performed by non-ARUP Laboratory
Note
Hotline History
N/A
CPT Codes
81400
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
2014249 | Factor V, R2 Mutation Detection | 41103-3 |
2014250 | Factor V, R2 - Methodology | 49549-9 |
2014251 | Factor V, R2 - Interpretation | 35474-6 |
2014252 | Factor V, R2 - Comment |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- A4070G Mutation (Factor V, R2 Mutation)
- Factor V HR2 (Factor V, R2 Mutation)
- H1299R Mutation (Factor V, R2 Mutation)
- Haplotype R2 (Factor V, R2 Mutation)
- HR2 (Factor V, R2 Mutation)
Factor V, R2 Mutation Detection by PCR
Esoterix Coagulation