C50.4
Malignant neoplasm of upper-outer quadrant of breast
Details
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C50.4 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
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The 2023 edition of ICD-10-CM C50.4 became effective on October 1, 2022.
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This is the American ICD-10-CM version of C50.4 – other international versions of ICD-10 C50.4 may differ.