ICD-10 Code I83.003 – Varicose veins of unspecified lower extremity with ulcer of ankle (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code I83.003 – Varicose veins of unspecified lower extremity with ulcer of ankle
What it is
This code identifies varicose veins in an unspecified lower extremity when there is an ulcer located at the ankle. Use it when the record documents both the venous disease and the ankle ulcer, but laterality is not specified.
Clinical signs
Typical findings include visibly enlarged, twisted superficial veins and an ulcer near the ankle consistent with venous insufficiency. Clinical features vary; refer to documentation for laterality, ulcer details, and whether the ulcer is active.
When to use this code
Use this code when the provider documents varicose veins affecting an unspecified leg and specifically notes an ulcer at the ankle. It fits outpatient, inpatient, or consult documentation when the diagnosis is established. If the record specifies right or left leg, code the laterality instead.
Do not use for
Do not use this code for varicose veins without an ulcer, or for ulcers at sites other than the ankle. Check documentation if the ulcer is due to a different cause, such as arterial disease or diabetes.
Coding tip
Verify both the venous diagnosis and ankle ulcer are documented together, and confirm whether laterality is missing before assigning I83.003.