| Von Willebrand Factor Multimeric Analysis | Email this article Printer friendly page |
| Primary Name | Von Willebrand Factor Multimeric Analysis |
| Synonym | Von Willebrand factor multimers |
| Synonym | -- |
| Contraction | -- |
| Contraction | -- |
| Contraction | -- |
| UAB Procedure Number | 3500875 |
| CPT Code | 85247 |
| Specimen | Collect two (2) blue-stopper tubes (3.2% sodium citrate), filled to specified volume. Do not underfill or overfill. |
| Specimen Management | Centrifuge blue-stopper tubes within one (1) hour of collection, separate plasma and test or quick-freeze at -70°C. |
| Specimen Accepted | Daily including weekends. Specimens from outside UAB Hospital will not be sent out to reference laboratories. |
| Test Performed | Assay is performed by reference laboratory. Results available in two weeks. |
| Available Stat? | No. |
| Description | The von Willebrand factor multimeric analysis is used to distinguish between types 2A, 2B and 2M. The multimer assay is suggested in follow-up to the von Willebrand profile, consisting of the ristocetin cofactor, von Willebrand factor antigen, and factor VIII activity. |
| Reference Interval | Normal multimeric pattern |
| Associated With | Bleeding disorders |
| Associated With | Von Willebrand disease |
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