N63.21
Unspecified lump in the left breast upper outer quadrant
Details
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N63.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
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The 2023 edition of ICD-10-CM N63.21 became effective on October 1, 2022.
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This is the American ICD-10-CM version of N63.21 – other international versions of ICD-10 N63.21 may differ.