Chapter II
Neoplasms
(C00-D48)

Malignant neoplasms
(C00-C97)

Malignant neoplasms, stated or presumed to be primary, of specified sites, except of lymphoid, haematopoietic and related tissue
(C00-C75)

Malignant neoplasm of breast
(C50)

C50 Malignant neoplasm of breast
Includes: connective tissue of breast
Excludes: skin of breast ( C43.5 , C44.5 )
C50.0 Nipple and areola
C50.1 Central portion of breast
C50.2 Upper-inner quadrant of breast
C50.3 Lower-inner quadrant of breast
C50.4 Upper-outer quadrant of breast
C50.5 Lower-outer quadrant of breast
C50.6 Axillary tail of breast
C50.8 Overlapping lesion of breast
[See note 5 at the beginning of this chapter]
C50.9 Breast, unspecified