85245 Clot factor viii vw ristoctn
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.
In Plain Language
von Willebrand function test; platelet adhesion test
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 Information
CPT 85245 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 85245?
CPT 85245 (Clot factor viii vw ristoctn) is a Pathology & Lab code. Measurement of von Willebrand factor ristocein cofactor activity (vWF:RCo), assessing platelet adhesion function using ristocentin reagent in plasma-based functional assay.
Who uses CPT code 85245?
CPT 85245 is used by Clinical Pathology, Coagulation, Hematology. Evaluates von Willebrand disease and distinguishes between type 1 (normal ratio vWF:RCo/vWF:Ag) and type 2 (abnormal ratio) von Willebrand disease.
When is CPT 85245 used?
Evaluates von Willebrand disease and distinguishes between type 1 (normal ratio vWF:RCo/vWF:Ag) and type 2 (abnormal ratio) von Willebrand disease.
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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.