H74.321
ICD-10-CMThis code signifies an incomplete absence or destruction of one or more of the ossicles (malleus, incus, stapes) within the right middle ear. This condition can lead to conductive hearing loss due to impaired sound transmission. It often results from chronic otitis media, trauma, or congenital anomalies.
Apply this code when documentation specifies a partial loss or erosion of the ossicles in the right ear. This diagnosis is typically supported by otoscopic examination findings, audiometry indicating conductive hearing loss, and imaging studies such as CT scans of the temporal bone.
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