S00.421A
Blister (nonthermal) of right ear initial encounter
Approximate Synonyms
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Right ear blister
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Right ear blister with infection
Details
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S00.421A 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 S00.421A became effective on October 1, 2022.
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This is the American ICD-10-CM version of S00.421A – other international versions of ICD-10 S00.421A may differ.