ICD-10 Code D04.71 – Carcinoma in situ of skin of right lower limb, including hip (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code D04.71 – Carcinoma in situ of skin of right lower limb, including hip
What it is
D04.71 identifies carcinoma in situ of the skin on the right lower limb, including the hip. This means abnormal cells are confined to the epidermis and have not invaded deeper tissue.
Clinical signs
Lesions may appear as a persistent scaly, crusted, or erythematous skin change. Clinical features vary; refer to documentation for the exact lesion description and biopsy confirmation.
When to use this code
Use this code when the provider documents carcinoma in situ or intraepidermal carcinoma limited to the skin of the right leg or hip. It is appropriate after pathology or a clear clinical diagnosis identifies the site as right lower limb, including hip.
Code the documented anatomic side carefully. If the record only states lower extremity without laterality, or the lesion is not confirmed as in situ, check documentation before assigning D04.71.
Do not use for
Do not use D04.71 for invasive skin cancer, unspecified laterality, or lesions on another body site. Do not use it when the chart does not confirm in situ disease; check documentation.
Coding tip
Verify both laterality and that the pathology or provider note supports in situ disease before coding.