H74.12
ICD-10-CMThis code describes a condition where the left middle ear's structures, such as the ossicles or tympanic membrane, are abnormally bound together by fibrous adhesions. These adhesions restrict normal movement, leading to conductive hearing loss and other auditory symptoms. It represents a chronic inflammatory process that has resulted in scarring within the middle ear space.
Use this code when documentation explicitly states "adhesive middle ear disease" affecting the left ear. This diagnosis is typically made based on otoscopic examination findings, audiometry showing conductive hearing loss, and sometimes imaging. The documentation should clearly specify the laterality as left.
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