Back to ICD-10 library
ICD-10-CM · FY 2026 APRIL UPDATE

C50

Malignant neoplasm of breast

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
C50.0Malignant neoplasm of nipple and areolaCategory
C50.01Malignant neoplasm of nipple and areola, femaleCategory
C50.011Malignant neoplasm of nipple and areola, right female breastBillable
C50.012Malignant neoplasm of nipple and areola, left female breastBillable
C50.019Malignant neoplasm of nipple and areola, unspecified female breastBillable
C50.02Malignant neoplasm of nipple and areola, maleCategory
C50.021Malignant neoplasm of nipple and areola, right male breastBillable
C50.022Malignant neoplasm of nipple and areola, left male breastBillable
C50.029Malignant neoplasm of nipple and areola, unspecified male breastBillable
C50.1Malignant neoplasm of central portion of breastCategory
C50.11Malignant neoplasm of central portion of breast, femaleCategory
C50.111Malignant neoplasm of central portion of right female breastBillable
C50.112Malignant neoplasm of central portion of left female breastBillable
C50.119Malignant neoplasm of central portion of unspecified female breastBillable
C50.12Malignant neoplasm of central portion of breast, maleCategory
C50.121Malignant neoplasm of central portion of right male breastBillable
C50.122Malignant neoplasm of central portion of left male breastBillable
C50.129Malignant neoplasm of central portion of unspecified male breastBillable
C50.2Malignant neoplasm of upper-inner quadrant of breastCategory
C50.21Malignant neoplasm of upper-inner quadrant of breast, femaleCategory
C50.211Malignant neoplasm of upper-inner quadrant of right female breastBillable
C50.212Malignant neoplasm of upper-inner quadrant of left female breastBillable
C50.219Malignant neoplasm of upper-inner quadrant of unspecified female breastBillable
C50.22Malignant neoplasm of upper-inner quadrant of breast, maleCategory
C50.221Malignant neoplasm of upper-inner quadrant of right male breastBillable
C50.222Malignant neoplasm of upper-inner quadrant of left male breastBillable
C50.229Malignant neoplasm of upper-inner quadrant of unspecified male breastBillable
C50.3Malignant neoplasm of lower-inner quadrant of breastCategory
C50.31Malignant neoplasm of lower-inner quadrant of breast, femaleCategory
C50.311Malignant neoplasm of lower-inner quadrant of right female breastBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.