AHA Coding Clinic® for ICD-9 - 2011 Issue 1; Ask the Editor
Chronic Venous Embolism and Thrombosis
Coders are assigning a code for history of deep vein thrombosis (DVT) if the patient is on Coumadin maintenance to prevent disease recurrence. However, if a patient has a Greenfield filter, would you code history of DVT or the active disease? ...
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Article Overview
This article addresses a common coding question in the setting of venous thromboembolic disease history and ongoing management. It is aimed at coders and other coding professionals who need to determine whether the record supports a history code or an active disease code, and it highlights the need for physician clarification when documentation is not definitive.
Why This Topic Matters
Accurate code selection depends on whether the documented condition is resolved, ongoing, or recurrent. The article helps reduce miscoding in records involving prior thrombosis management and implanted venous filters.
What You Will Learn
- How coding may differ when a patient has a prior venous thrombosis history versus ongoing disease.
- Why documentation clarification may be needed when current status is unclear.
- How ongoing preventive management can affect interpretation of the record.
- How a venous filter can be relevant to determining the appropriate coding context.
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation specialists
- Billing staff
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