Factor V Leiden
Test Mnemonic
FVLEI
CPT Codes
- 81241 - QTY (1)
LOINC ®
21667-1
Aliases
- Factor V Leiden by PCR
- Factor V Leiden Mutation
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 4 mL | Whole blood | EDTA (Lavender) | Ambient | Ambient |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 48 hours |
| Refrigerated | 7 days |
| Frozen | Unacceptable |
Days Performed
3 days per week
Turnaround Time
5 days
Methodology
| Name | Description |
|---|---|
| High Resolution Melt Analysis | |
| Real-Time Polymerase Chain Reaction (RT-PCR) |
Reference Range
Clinical Info
Evaluate hypercoagulable states or a patient with a previous low APC resistance.