ICD-10 Code D01.7 – Carcinoma in situ of other specified digestive organs (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code D01.7 – Carcinoma in situ of other specified digestive organs
What it is
This code identifies a carcinoma in situ located in a digestive organ not separately classified elsewhere. It means abnormal cells are confined to the epithelium and have not invaded deeper tissue.
Clinical signs
Clinical features vary; refer to documentation. Diagnosis is usually based on pathology showing malignant-appearing cells limited to the mucosal layer, without evidence of invasion.
When to use this code
Use D01.7 when the provider documents carcinoma in situ in an unspecified or other specified digestive organ, and the site is not captured by a more specific code. It is appropriate when pathology or operative findings confirm in situ disease. If the record names the exact digestive site, code that site instead.
Do not use for
Do not use this code for invasive malignant neoplasms, benign lesions, or dysplasia without carcinoma in situ. Check documentation if the site is not clearly identified.
Coding tip
Verify the exact digestive organ and whether the lesion is in situ before assigning D01.7.