H69 - Other and unspecified disorders of Eustachian tube
H69.8 - Other specified disorders of Eustachian tube
H69.80 - Other specified disorders of Eustachian tube, unspecified ear
H69.81 - Other specified disorders of Eustachian tube, right ear
H69.82 - Other specified disorders of Eustachian tube, left ear
H69.83 - Other specified disorders of Eustachian tube, bilateral