| Factor V Activity Assay | Email this article Printer friendly page |
| |
| Primary Name | Factor V Assay |
| Synonym | Factor V Functional Assay |
| Synonym | Occasionally confused with the factor V Leiden mutation test |
| Contraction | FV |
| UAB Procedure Number | 2500290 |
| CPT Code | 85220 |
| Specimen | Collect one (1) blue-stopper tube (3.2% sodium citrate), filled to specified volume. Do not underfill or overfill. |
| Specimen Management | Note time of collection and time of last treatment if applicable. Centrifuge blue-stopper tube within 1 hour of collection, separate plasma and test or quick-freeze at -70°C. |
| Specimen Accepted | Daily including weekends |
| Test Performed | Monday-Friday. |
| Available Stat? | Pathologist's approval required. |
| Description | Congenital factor V deficiency is rare and is inherited as an autosomal recessive mutation. Acquired factor V deficiency is seen in liver disease, disseminated intravascular coagulation, and due to acquired inhibitors. Factor V deficiency is associated with mild to moderate bleeding. |
| Reference Interval | 50-150% |
| Critical Value | None |
| Associated With | Bleeding disorders |
| Associated With | Liver disease |
© Copyright by the University of Alabama at Birmingham
Top of Page