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Ristocetin-Induced Platelet Aggregation (RIPA)

Order Code: 1068

Also Known as

Von Willebrand Disease, VWF

Test Information

Aggregation with high and low dose ristocetin is used to identify patients with type 2B von Willebrand Disease, platelet-type von Willebrand Disease or Bernard-Soulier Syndrome. Citrated whole blood (light-blue top)

Additional Sample Requirements

Contact laboratory for appointment. Test only available locally.

Shipping Information

Room Temperature

Requested Volume

4 tubes

Minimum/Pediatric Volume

3 tubes

CPT Codes




Turnaround Time

7 days


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