| Test Name: | Factor V Mutation (Leiden) |
| Epic Order Code: | LAB346 |
| CPT Code: | 81241 | | |
| Specimen(s) Type: | Whole Blood; 3 mL |
| Acceptable Container(s): |  Top is purple (lavender). |
| Testing Schedule: | Monday-Friday |
| Turn Around Time: | 3-5 days |
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| Collection Information: | No special patient preparation is required. Obtain specimen by standard collection procedures. |
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. |
| Reference Clients: | If unable to deliver to the lab immediately, store and transport at 2-8° C. Do not centrifuge. Specimen must be received in lab within 7 days. |
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport. |
| Reference Range: | Negative |
| Additional Information: | Detects Factor V Leiden Mutation, which is a risk factor for venous thrombosis and has been associated with strokes in young adults. |