H70.90
Unspecified mastoiditis unspecified ear
Approximate Synonyms
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Mastoiditis
Clinical Information
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Inflammation of the honeycomb-like mastoid bone in the skull just behind the ear. It is usually a complication of otitis media.
Details
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H70.90 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 H70.90 became effective on October 1, 2022.
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This is the American ICD-10-CM version of H70.90 – other international versions of ICD-10 H70.90 may differ.