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TRICARE Policy Manual 6010.63-M, April 2021
Evaluation And Management
Chapter 2
Section 4.2
Anticoagulant Management
Issue Date:  August 25, 2008
Copyright:  CPT only © 2006 American Medical Association (or such other date of publication of CPT). All Rights Reserved.
Revision:  
1.0  CPT CODES
99363, 99364
2.0  DESCRIPTION
Anticoagulant services are intended to describe the outpatient management of Warfarin therapy, including ordering, review, and interpretation of International Normalized Ratio (INR) testing, communication with patient, and dosage adjustments as appropriate.
3.0  POLICY
Outpatient anticoagulation management (Current Procedural Terminology (CPT) codes 99363 and 99364) for patients receiving long-term anticoagulant therapy (e.g., Warfarin) in the office or outpatient setting may be considered for cost-sharing.
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