ICD-10 Code D07.5 – Carcinoma in situ of prostate (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code D07.5 – Carcinoma in situ of prostate
What it is
D07.5 identifies carcinoma in situ of the prostate, a preinvasive malignant change confined to the epithelial layer. It means abnormal cells are present, but there is no documented invasion into surrounding tissue.
Clinical signs
Clinical features vary; refer to documentation. Diagnosis is usually based on pathology or biopsy findings showing carcinoma in situ without evidence of invasive prostate cancer.
When to use this code
Use D07.5 when the provider documents carcinoma in situ of the prostate, including pathology-confirmed in situ disease. Apply it when the record clearly states the lesion is noninvasive and limited to the prostate epithelium.
Do not infer this code from a general prostate abnormality or an elevated PSA alone. If the documentation is unclear about invasion or site, check documentation before assigning the code.
Do not use for
Do not use D07.5 for invasive prostate cancer, benign prostatic hyperplasia, or unspecified prostate neoplasm. If the pathology does not confirm in situ disease, choose the documented diagnosis instead.
Coding tip
Code only when the record explicitly states carcinoma in situ and confirms the prostate as the site.