ICD-10 Code I83.203 – Varicose veins of unspecified lower extremity with both ulcer of ankle and inflammation (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code I83.203 – Varicose veins of unspecified lower extremity with both ulcer of ankle and inflammation
What it is
This code identifies varicose veins in an unspecified lower extremity when there is both an ankle ulcer and inflammation. Use it when the record documents venous disease with these complications, but the side is not specified.
Clinical signs
Typical findings include visibly enlarged or tortuous leg veins plus an ankle ulcer and signs of inflammation such as redness, warmth, swelling, or tenderness. Clinical features vary; refer to documentation.
When to use this code
Use I83.203 when the provider documents varicose veins affecting an unspecified leg with both ulceration at the ankle and inflammatory changes. It fits cases where the laterality is not stated in the note. Confirm that the ulcer is venous and linked to the varicose vein condition.
Do not use for
Do not use this code if the ulcer is not at the ankle, if inflammation is absent, or if the note identifies a different venous disorder. Check documentation for laterality and the exact complication described.
Coding tip
Verify that both ulcer and inflammation are documented together before assigning I83.203.