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85245 Clot factor viii vw ristoctn

Pathology & Lab

Also known as: vWF:RCo, ristocein cofactor activity

Measurement of von Willebrand factor ristocein cofactor activity (vWF:RCo), assessing platelet adhesion function using ristocentin reagent in plasma-based functional assay.

Clinical Context

Evaluates von Willebrand disease and distinguishes between type 1 (normal ratio vWF:RCo/vWF:Ag) and type 2 (abnormal ratio) von Willebrand disease.

RVU Breakdown

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Specialties

Clinical PathologyCoagulationHematology

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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.