85347 Coagulation time activated
Also known as: activated clotting time, ACT
Measurement of activated clotting time (ACT) using whole blood incubated with contact activator and measuring time to clot formation, useful for heparin monitoring.
In Plain Language
activated blood clotting time; heparin monitoring test
Clinical Context
Point-of-care test for heparin monitoring in operating room, catheterization laboratory, and extracorporeal circulation; therapeutic ACT 400-600 seconds in cardiac surgery.
RVU Information
CPT 85347 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 85347?
CPT 85347 (Coagulation time activated) is a Pathology & Lab code. Measurement of activated clotting time (ACT) using whole blood incubated with contact activator and measuring time to clot formation, useful for heparin monitoring.
Who uses CPT code 85347?
CPT 85347 is used by Clinical Pathology, Coagulation, Operating Room. Point-of-care test for heparin monitoring in operating room, catheterization laboratory, and extracorporeal circulation; therapeutic ACT 400-600 seconds in cardiac surgery.
When is CPT 85347 used?
Point-of-care test for heparin monitoring in operating room, catheterization laboratory, and extracorporeal circulation; therapeutic ACT 400-600 seconds in cardiac surgery.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against national data — all in one app.
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.