ICD-10-CM > H60-H95 > H65-H75 > H69 H69 Other and unspecified disorders of Eustachian tube Non-Billable/Non-Specific Codes H69.0Patulous Eustachian tubeH69.00Patulous Eustachian tube, unspecified earH69.01Patulous Eustachian tube, right earH69.02Patulous Eustachian tube, left earH69.03Patulous Eustachian tube, bilateralH69.8Other specified disorders of Eustachian tubeH69.80Other specified disorders of Eustachian tube, unspecified earH69.81Other specified disorders of Eustachian tube, right earH69.82Other specified disorders of Eustachian tube, left earH69.83Other specified disorders of Eustachian tube, bilateralH69.9Unspecified Eustachian tube disorderH69.90Unspecified Eustachian tube disorder, unspecified earH69.91Unspecified Eustachian tube disorder, right earH69.92Unspecified Eustachian tube disorder, left earH69.93Unspecified Eustachian tube disorder, bilateral