Intrinsic cartilagenous obst of eustach tube, right ear

This code signifies a structural blockage within the right Eustachian tube caused by an abnormality of the cartilage itself, rather than external compression or inflammation. This intrinsic obstruction impedes proper ventilation and drainage of the middle ear, often leading to conductive hearing loss or recurrent otitis media.

Apply this code when documentation explicitly states an intrinsic cartilaginous obstruction of the right Eustachian tube. This diagnosis is typically made following otoscopic examination, tympanometry, and possibly imaging studies like CT scans, which reveal the anatomical anomaly.

• Ensure laterality is clearly documented as "right ear" to support this specific code.
• Distinguish from extrinsic obstructions (e.g., adenoid hypertrophy) or inflammatory conditions of the Eustachian tube, which have different codes.
• Consider co-reporting with codes for associated conditions like otitis media or hearing loss if present and documented.