Acute and Chronic Venous Embolism and Thrombosis of Deep and Superficial Vessels

Why This Topic Matters

The update changes how venous thrombosis cases are categorized, especially when distinguishing acute from chronic conditions and when documenting the involved vessel type and location. Accurate awareness of the revised ICD-9-CM structure helps support more precise reporting and cleaner claim/record abstraction.

Article Sections

1. Background on DVT and venous thromboembolism

   Provides general clinical context for deep vein thrombosis and related venous thromboembolic conditions. The section discusses common settings and risk factors associated with these diagnoses.

2. Treatment and prevention overview

   Summarizes common medical management approaches and preventive measures discussed in connection with venous thrombosis. This section gives general clinical context for the coding update.

3. Coding revision summary

   Introduces the overall ICD-9-CM revision affecting venous embolism and thrombosis categories. It outlines the scope of the update and the general distinction between acute and chronic reporting.

4. Revised and new ICD-9-CM code family entries

   Lists the affected category, subcategory, and new code entries across lower-extremity, upper-extremity, superficial, deep, axillary, subclavian, jugular, and thoracic vessel sites. The section also notes related exclusions and associated coding references.