ICD-10 Code C50.011 – Malignant neoplasm of nipple and areola, right female breast (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code C50.011 – Malignant neoplasm of nipple and areola, right female breast
What it is
This code identifies a malignant tumor located in the nipple and areola of the right female breast. Use it when documentation specifies that the cancer is in that exact anatomic site.
Clinical signs
Clinical features may include a breast or nipple mass, nipple changes, or skin involvement in the areolar area. Clinical features vary; refer to documentation.
When to use this code
Use C50.011 when the provider documents primary malignancy of the right nipple or areola in a female breast. It is appropriate for confirmed cancer diagnoses, including pathology-supported or clinically established cases when the site is clearly stated.
Do not use for
Do not use this code for benign breast lesions, unspecified breast cancer sites, or malignancy in a different breast quadrant. Check documentation if the record does not clearly identify the right nipple and areola.
Coding tip
Confirm laterality and exact site in the operative note, pathology report, or assessment before assigning C50.011.