ICD-10-CM C50: Malignant neoplasm of breast

ICD-10-CM Diagnosis Code (2025)

Official Description for C50

Malignant neoplasm of breast

Coding Notes & Guidelines for C50

Includes Notes
  • connective tissue of breast
  • Paget's disease of breast
  • Paget's disease of nipple
Excludes1: Not Coded Here

skin of breast (C44.501, C44.511, C44.521, C44.591)

Use Additional Code

code to identify estrogen, and other hormones and factors receptor status (Z17.-)

Child Codes (More Specific Codes for C50):

C50.0 - Malignant neoplasm of nipple and areola C50.01 - Malignant neoplasm of nipple and areola, female C50.011 - Malignant neoplasm of nipple and areola, right female breast C50.012 - Malignant neoplasm of nipple and areola, left female breast C50.019 - Malignant neoplasm of nipple and areola, unspecified female breast C50.02 - Malignant neoplasm of nipple and areola, male C50.021 - Malignant neoplasm of nipple and areola, right male breast C50.022 - Malignant neoplasm of nipple and areola, left male breast C50.029 - Malignant neoplasm of nipple and areola, unspecified male breast C50.1 - Malignant neoplasm of central portion of breast C50.11 - Malignant neoplasm of central portion of breast, female C50.111 - Malignant neoplasm of central portion of right female breast C50.112 - Malignant neoplasm of central portion of left female breast C50.119 - Malignant neoplasm of central portion of unspecified female breast C50.12 - Malignant neoplasm of central portion of breast, male C50.121 - Malignant neoplasm of central portion of right male breast C50.122 - Malignant neoplasm of central portion of left male breast C50.129 - Malignant neoplasm of central portion of unspecified male breast C50.2 - Malignant neoplasm of upper-inner quadrant of breast C50.21 - Malignant neoplasm of upper-inner quadrant of breast, female C50.211 - Malignant neoplasm of upper-inner quadrant of right female breast C50.212 - Malignant neoplasm of upper-inner quadrant of left female breast C50.219 - Malignant neoplasm of upper-inner quadrant of unspecified female breast C50.22 - Malignant neoplasm of upper-inner quadrant of breast, male C50.221 - Malignant neoplasm of upper-inner quadrant of right male breast C50.222 - Malignant neoplasm of upper-inner quadrant of left male breast C50.229 - Malignant neoplasm of upper-inner quadrant of unspecified male breast C50.3 - Malignant neoplasm of lower-inner quadrant of breast C50.31 - Malignant neoplasm of lower-inner quadrant of breast, female C50.311 - Malignant neoplasm of lower-inner quadrant of right female breast C50.312 - Malignant neoplasm of lower-inner quadrant of left female breast C50.319 - Malignant neoplasm of lower-inner quadrant of unspecified female breast C50.32 - Malignant neoplasm of lower-inner quadrant of breast, male C50.321 - Malignant neoplasm of lower-inner quadrant of right male breast C50.322 - Malignant neoplasm of lower-inner quadrant of left male breast C50.329 - Malignant neoplasm of lower-inner quadrant of unspecified male breast C50.4 - Malignant neoplasm of upper-outer quadrant of breast C50.41 - Malignant neoplasm of upper-outer quadrant of breast, female C50.411 - Malignant neoplasm of upper-outer quadrant of right female breast C50.412 - Malignant neoplasm of upper-outer quadrant of left female breast C50.419 - Malignant neoplasm of upper-outer quadrant of unspecified female breast C50.42 - Malignant neoplasm of upper-outer quadrant of breast, male C50.421 - Malignant neoplasm of upper-outer quadrant of right male breast C50.422 - Malignant neoplasm of upper-outer quadrant of left male breast C50.429 - Malignant neoplasm of upper-outer quadrant of unspecified male breast C50.5 - Malignant neoplasm of lower-outer quadrant of breast C50.51 - Malignant neoplasm of lower-outer quadrant of breast, female C50.511 - Malignant neoplasm of lower-outer quadrant of right female breast C50.512 - Malignant neoplasm of lower-outer quadrant of left female breast C50.519 - Malignant neoplasm of lower-outer quadrant of unspecified female breast C50.52 - Malignant neoplasm of lower-outer quadrant of breast, male C50.521 - Malignant neoplasm of lower-outer quadrant of right male breast C50.522 - Malignant neoplasm of lower-outer quadrant of left male breast C50.529 - Malignant neoplasm of lower-outer quadrant of unspecified male breast C50.6 - Malignant neoplasm of axillary tail of breast C50.61 - Malignant neoplasm of axillary tail of breast, female C50.611 - Malignant neoplasm of axillary tail of right female breast C50.612 - Malignant neoplasm of axillary tail of left female breast C50.619 - Malignant neoplasm of axillary tail of unspecified female breast C50.62 - Malignant neoplasm of axillary tail of breast, male C50.621 - Malignant neoplasm of axillary tail of right male breast C50.622 - Malignant neoplasm of axillary tail of left male breast C50.629 - Malignant neoplasm of axillary tail of unspecified male breast C50.8 - Malignant neoplasm of overlapping sites of breast C50.81 - Malignant neoplasm of overlapping sites of breast, female C50.811 - Malignant neoplasm of overlapping sites of right female breast C50.812 - Malignant neoplasm of overlapping sites of left female breast C50.819 - Malignant neoplasm of overlapping sites of unspecified female breast C50.82 - Malignant neoplasm of overlapping sites of breast, male C50.821 - Malignant neoplasm of overlapping sites of right male breast C50.822 - Malignant neoplasm of overlapping sites of left male breast C50.829 - Malignant neoplasm of overlapping sites of unspecified male breast C50.9 - Malignant neoplasm of breast of unspecified site C50.91 - Malignant neoplasm of breast of unspecified site, female C50.911 - Malignant neoplasm of unspecified site of right female breast C50.912 - Malignant neoplasm of unspecified site of left female breast C50.919 - Malignant neoplasm of unspecified site of unspecified female breast C50.92 - Malignant neoplasm of breast of unspecified site, male C50.921 - Malignant neoplasm of unspecified site of right male breast C50.922 - Malignant neoplasm of unspecified site of left male breast C50.929 - Malignant neoplasm of unspecified site of unspecified male breast

About ICD-10-CM Code C50 (Malignant neoplasm of breast)

ICD-10-CM code C50 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM C50 became effective on October 1, 2024.

This page provides detailed information about C50 - Malignant neoplasm of breast. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Malignant neoplasm of breast.