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| Title | FACTOR VIII ACTIVITY |
| Specimen Requirement | <p>Draw blood in a light blue sodium citrate tube. See appendices for coagulation test collection instructions. Send 2.0mL plasma (1.0mL min) frozen in a screw-capped plastic vial; indicated on transport tube specimen type. Call lab for dry ice for shipment</p> |
| Methodology | |
| Stability | Frozen 3 months |
| Reference Range | By Report* |
| Turnaround | 5-7 days Performed Mon-Sat |
| Clinical Use | <p>Diagnosing factor VIII deficiency (hemophilia A) and aiding in the diagnosis of classic von Willebrand disease.</p> |
| Test Code | FAC8M |
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