C50.8 (Malignant neoplasm of overlapping sites of breast) is an umbrella ICD-10-CM medical diagnosis code in the Neoplasms chapter. It identifies cases of malignant neoplasm of overlapping sites of breast for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

C50.8 — Malignant neoplasm of overlapping sites of breast

Chapter C00-D49: Neoplasms

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Sub-codes under C50.8

C50.81Malignant neoplasm of overlapping sites of breast, femaleC50.82Malignant neoplasm of overlapping sites of breast, male

Related diagnoses

C50.0Malignant neoplasm of nipple and areolaC50.1Malignant neoplasm of central portion of breastC50.2Malignant neoplasm of upper-inner quadrant of breastC50.3Malignant neoplasm of lower-inner quadrant of breastC50.4Malignant neoplasm of upper-outer quadrant of breastC50.5Malignant neoplasm of lower-outer quadrant of breastC50.6Malignant neoplasm of axillary tail of breastC50.9Malignant neoplasm of breast of unspecified site

Common questions about C50.8 (Malignant neoplasm of overlapping sites of breast)

What does ICD-10 code C50.8 mean?
C50.8 is the ICD-10-CM 2025 code for Malignant neoplasm of overlapping sites of breast. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is C50.8 a billable diagnosis code?
C50.8 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under C50.8. Browse the sub-codes listed on this page.
Which ICD-10 chapter does C50.8 belong to?
C50.8 belongs to the chapter "Neoplasms" (codes C00-D49). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Malignant neoplasm of overlapping sites of breast?
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Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗