Ordering Recommendation

Order for individuals at risk for Venous thromboembolism (VTE) when results will impact clinical management.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Lavender (EDTA), pink (K2EDTA), or yellow (ACD solution A or B).

Specimen Preparation

Transport 3 mL whole blood. (Min: 1 mL)

Storage/Transport Temperature

Preferred transport temp: Refrigerated.

Unacceptable Conditions

Plasma or serum; collection of specimen in sodium heparin tubes. Frozen specimens in glass collection tubes.

Remarks

Counseling and informed consent are recommended for genetic testing. Consent forms are linked above.
New York Clients: informed consent is required with submission.

Stability

Room Temperature: 3 days; Refrigerated: 1 week; Frozen: 1 month

Methodology

Polymerase Chain Reaction (PCR) / Fluorescence Monitoring

Performed

Sun-Sat

Reported

2-5 days

Reference Interval

Refer to report

Interpretive Data

Refer to report.

Compliance Category

Laboratory Developed Test (LDT)

Note

This test is not recommended for nonsymptomatic patients under 18 years of age.

Hotline History

N/A

CPT Codes

81241

Components

Component Test Code* Component Chart Name LOINC
0097720 Factor V Leiden (F5) R506Q Mutation 21668-9
2001387 FACV Specimen 31208-2
* 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

  • Activated protein C resistance mutation
  • FVL R506Q mutation testing
Factor V Leiden (F5) R506Q Mutation