C4A.21
Merkel cell carcinoma of right ear and external auricular canal
Approximate Synonyms
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Merkel cell carcinoma of bilateral ears
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Merkel cell carcinoma of right ear
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Merkel cell carcinoma, bilateral ears
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Merkel cell carcinoma, right ear
Details
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C4A.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
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Short description: Merkel cell carcinoma of right ear and external auric canal
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The 2023 edition of ICD-10-CM C4A.21 became effective on October 1, 2022.
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This is the American ICD-10-CM version of C4A.21 – other international versions of ICD-10 C4A.21 may differ.