2C61

ICD-11 MMS 2026-01

Invasive carcinoma of breast

Coding note from above levels

For use of this category, reference should be made to the mortality coding rules and guidelines in the Reference Guide.

Exclusions from above levels

  • 2B56.2 – Angiosarcoma of breast
  • 2E0Y – Nipple metastasis
  • http://id.who.int/icd/entity/1706880799 – Malignant neoplasm of skin of breast
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  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
  • http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures
  • http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Child codes

  • 2C61.0 – Invasive ductal carcinoma of breast
  • 2C61.1 – Invasive lobular carcinoma of breast
  • 2C61.2 – Invasive pleomorphic lobular carcinoma of breast
  • 2C61.3 – Invasive carcinoma of breast with mixed ductal and lobular features
  • 2C61.4 – Invasive carcinoma of breast, unidentifiable type
  • 2C61.Y – Other invasive carcinoma of breast
  • 2C61.Z – Invasive carcinoma of breast, unspecified

Sibling codes

  • 2C60 – Carcinoma of breast, specialised type
  • 2C62 – Inflammatory carcinoma of breast
  • 2C63 – Malignant phyllodes tumour of breast
  • 2C64 – Solid papillary carcinoma of breast with evidence of invasion
  • 2C65 – Hereditary breast and ovarian cancer syndrome
  • 2C6Y – Other specified malignant neoplasms of breast
  • 2C6Z – Malignant neoplasms of breast, unspecified

Foundation entity

Invasive carcinoma of breast – http://id.who.int/icd/entity/2090549892

Allowed postcoordination axes

Part of: 02: Neoplasms