All ICD10 Codes

C50

Non-Billable
ChapterC00–D49
Rankcategory
Official Description

Malignant neoplasm of breast

Use a more specific code (0 billable, 10 non-billable)
C50.0Malignant neoplasm of nipple and areolahas subcodesC50.1Malignant neoplasm of central portion of breasthas subcodesC50.2Malignant neoplasm of upper-inner quadrant of breasthas subcodesC50.3Malignant neoplasm of lower-inner quadrant of breasthas subcodesC50.4Malignant neoplasm of upper-outer quadrant of breasthas subcodesC50.5Malignant neoplasm of lower-outer quadrant of breasthas subcodesC50.6Malignant neoplasm of axillary tail of breasthas subcodesC50.8Malignant neoplasm of overlapping sites of breasthas subcodesC50.9Malignant neoplasm of breast of unspecified sitehas subcodesC50.AMalignant inflammatory neoplasm of breasthas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Includes
  • connective tissue of breast
  • Paget's disease of breast
  • Paget's disease of nipple
Excludes1(Not coded here. Use a different code.)
Use Additional Code
  • code to identify estrogen, and other hormones and factors receptor status (Z17.-)

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C50Malignant neoplasm of breastNot billable
C50.0Malignant neoplasm of nipple and areolaSubcodes
C50.1Malignant neoplasm of central portion of breastSubcodes
C50.2Malignant neoplasm of upper-inner quadrant of breastSubcodes
C50.3Malignant neoplasm of lower-inner quadrant of breastSubcodes
C50.4Malignant neoplasm of upper-outer quadrant of breastSubcodes
C50.5Malignant neoplasm of lower-outer quadrant of breastSubcodes
C50.6Malignant neoplasm of axillary tail of breastSubcodes
C50.8Malignant neoplasm of overlapping sites of breastSubcodes
C50.9Malignant neoplasm of breast of unspecified siteSubcodes
C50.AMalignant inflammatory neoplasm of breastSubcodes

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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