The block C50–C50 of ICD-10 is titled “Malignant neoplasm of breast”. It is part of Chapter II, Neoplasms, and holds 1 groups.
Codes in C50–C50
- C50.0Malignant neoplasm: Nipple and areola
- C50.1Malignant neoplasm: Central portion of breast
- C50.2Malignant neoplasm: Upper-inner quadrant of breast
- C50.3Malignant neoplasm: Lower-inner quadrant of breast
- C50.4Malignant neoplasm: Upper-outer quadrant of breast
- C50.5Malignant neoplasm: Lower-outer quadrant of breast
- C50.6Malignant neoplasm: Axillary tail of breast
- C50.8Malignant neoplasm: Overlapping lesion of breast
- C50.9Malignant neoplasm: Breast, unspecified
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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