Test Directory

Test Code
FVLM
Test Name
Factor V Leiden R506Q Mutation
CPT Codes
81241
Expected Turnaround Time
2 - 4 days
Clinical Utility

This test detects the single point mutation G to A at position 1691 of the human Factor V Leiden gene for evaluation of thrombotic risk.

Specimen and Container Info

Specimen Type: Whole Blood


Collection Container:  Lavender Top (EDTA)

    

Desired Specimen Volume:  1 mL


Minimum Acceptable Volume:  500 µL

Processing and Submission Instructions

Specimen can only be shared with Prothrombin (G20210A) Mutation Test.

Transport Instructions

Transport to the laboratory refrigerated. 

Stability Requirements

Room Temperature

24 Hours

Refrigerated

15 Days

Frozen

3 Months

Causes for Rejection
  • Any specimen with leakage on the outside of the container will be rejected. Ensure the lid is tightly closed.
  • Any specimen shared with another laboratory test, EXCEPT Prothrombin (G20210A) Mutation, will be rejected.
  • Any specimen collected in an outdated collection tube will be rejected.
Methodology
Polymerase Chain Reaction (PCR)
Reference Intervals

Factor V Leiden Mutation Not Detected

Performing Location
Roble Road Core Laboratory
Alternate Names
  • Factor V Leiden Mutation
  • FVL R506Q Mutation
Testing Schedule
Routine, Monday - Friday no holidays