85250 Clot factor ix ptc/chrstmas
Also known as: Factor IX assay, Christmas factor assay, PTC assay
One-stage assay of coagulation factor IX (Christmas factor/plasma thromboplastin component) using patient plasma correction methodology to measure factor IX functional activity.
In Plain Language
clotting factor IX test; hemophilia B screening
Clinical Context
Diagnoses and monitors hemophilia B (Christmas disease), evaluates factor IX inhibitors, and guides therapeutic factor IX replacement dosing.
RVU Information
CPT 85250 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 85250?
CPT 85250 (Clot factor ix ptc/chrstmas) is a Pathology & Lab code. One-stage assay of coagulation factor IX (Christmas factor/plasma thromboplastin component) using patient plasma correction methodology to measure factor IX functional activity.
Who uses CPT code 85250?
CPT 85250 is used by Clinical Pathology, Coagulation, Hematology. Diagnoses and monitors hemophilia B (Christmas disease), evaluates factor IX inhibitors, and guides therapeutic factor IX replacement dosing.
When is CPT 85250 used?
Diagnoses and monitors hemophilia B (Christmas disease), evaluates factor IX inhibitors, and guides therapeutic factor IX replacement dosing.
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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.