85246 Clot factor viii vw antigen
Also known as: vWF:Ag, von Willebrand factor antigen
Measurement of von Willebrand factor antigen (vWF:Ag) in plasma using immunoassay to quantify von Willebrand factor protein concentration and assess factor VIII carrier protein levels.
In Plain Language
von Willebrand protein level; blood clotting protein test
Clinical Context
Evaluates von Willebrand disease, hemophilia A, and elevated vWF in inflammatory or thrombotic states; typically ordered as first-line testing for bleeding disorders.
RVU Information
CPT 85246 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 85246?
CPT 85246 (Clot factor viii vw antigen) is a Pathology & Lab code. Measurement of von Willebrand factor antigen (vWF:Ag) in plasma using immunoassay to quantify von Willebrand factor protein concentration and assess factor VIII carrier protein levels.
Who uses CPT code 85246?
CPT 85246 is used by Clinical Pathology, Coagulation, Hematology. Evaluates von Willebrand disease, hemophilia A, and elevated vWF in inflammatory or thrombotic states; typically ordered as first-line testing for bleeding disorders.
When is CPT 85246 used?
Evaluates von Willebrand disease, hemophilia A, and elevated vWF in inflammatory or thrombotic states; typically ordered as first-line testing for bleeding disorders.
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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.