85385 Fibrinogen antigen
Also known as: fibrinogen antigen, immunologic fibrinogen
Measurement of fibrinogen antigen concentration in plasma using immunoassay methodology to quantify fibrinogen protein level independent of functional activity.
In Plain Language
fibrinogen protein measurement; immunologic fibrinogen level
Clinical Context
Detects dysfibrinogenemia when fibrinogen activity differs from antigen level; used in disseminated intravascular coagulation and congenital fibrinogen disorders.
RVU Information
CPT 85385 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 85385?
CPT 85385 (Fibrinogen antigen) is a Pathology & Lab code. Measurement of fibrinogen antigen concentration in plasma using immunoassay methodology to quantify fibrinogen protein level independent of functional activity.
Who uses CPT code 85385?
CPT 85385 is used by Clinical Pathology, Coagulation, Hematology. Detects dysfibrinogenemia when fibrinogen activity differs from antigen level; used in disseminated intravascular coagulation and congenital fibrinogen disorders.
When is CPT 85385 used?
Detects dysfibrinogenemia when fibrinogen activity differs from antigen level; used in disseminated intravascular coagulation and congenital fibrinogen 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.