AHA Coding Clinic® for ICD-9 - 2011 Issue 1; Ask the Editor
Chronic Venous Embolism and Thrombosis
A patient with a documented "history of deep vein thrombosis" is receiving Coumadin. Should this be coded as V12.51, Personal history of venous thrombosis and embolism, or a code from category 453 for chronic deep vein thrombosis (DVT)? ...
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Article Overview
This article addresses coding considerations for documentation that mentions a history of deep vein thrombosis and concurrent Coumadin use. It is aimed at medical coders and billing staff who need to understand the difference between history-based coding and chronic venous thrombosis coding, along with the role of physician clarification and the Official Guidelines for Coding and Reporting.
Why This Topic Matters
Accurate interpretation of vague history documentation can affect diagnosis coding, risk representation, and how anticoagulant therapy is reflected in the record.
What You Will Learn
- How documentation of prior venous thrombosis may be interpreted in coding contexts
- Why physician clarification can be important when anticoagulant therapy is present
- How coding decisions may relate to guidance in the Official Guidelines for Coding and Reporting
- How vague history terminology can affect code selection
Who Should Read This
- Medical coders
- Billing staff
- Coding auditors
- Compliance staff
Codes Discussed
Code Ranges Discussed
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