Test Directory

Factor V Leiden (R506Q) Mutation, Blood

Print this page

Updated Test Information:

Test Description
Factor V Leiden (R506Q) Mutation, Blood
Synonym(s)
Factor V Leiden (R506Q) Mutation
Test ID
F5DNA
General Information
Useful for:
Patients with clinically suspected thrombophilia and: 1) activated protein C (APC)-resistance either proven or suspected by a low or borderline APC-resistance ratio, or 2) a family history of factor V Leiden
Specimen Type
Whole Blood
Specimen Requirements
Yellow
Stability
Ambient (preferred) 7 days
Frozen 14 days
Refrigerated 14 days
Unacceptable Specimen Conditions
Gross hemolysis OK
Gross lipemia OK
Other Extracted DNA
Methodology
Direct Mutation Analysis
Estimated TAT
3-5 days
Testing Schedule
Monday-Friday
CPT Code(s)
81241
Minimum Sample Volume
1 mL blood in a 3-mL ACD tube
Performing Lab
Mayo
LOINC Code(s)
21668-9, 69049-5, 18771-6