85670 Thrombin time plasma
Also known as: TT, thrombin clotting time
Thrombin time test measures the time for plasma to clot after thrombin addition, assessing fibrinogen quantity and quality and detecting circulating inhibitors of thrombin.
In Plain Language
Fibrinogen clotting test; Final stage blood clotting test
Clinical Context
Used to evaluate fibrinogen defects, liver disease, disseminated intravascular coagulation, and effects of anticoagulation therapy or heparin. Sensitive to fibrinogen dysfunction.
RVU Information
CPT 85670 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 85670?
CPT 85670 (Thrombin time plasma) is a Pathology & Lab code. Thrombin time test measures the time for plasma to clot after thrombin addition, assessing fibrinogen quantity and quality and detecting circulating inhibitors of thrombin.
Who uses CPT code 85670?
CPT 85670 is used by Hemostasis/Thrombosis, Clinical Pathology, Hematology. Used to evaluate fibrinogen defects, liver disease, disseminated intravascular coagulation, and effects of anticoagulation therapy or heparin. Sensitive to fibrinogen dysfunction.
When is CPT 85670 used?
Used to evaluate fibrinogen defects, liver disease, disseminated intravascular coagulation, and effects of anticoagulation therapy or heparin. Sensitive to fibrinogen dysfunction.
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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.