ICD-10-CM > H60-H95 > H65-H75 > H69 > H69.0 H69.0 Patulous Eustachian tube Non-Billable/Non-Specific Codes H69.00Patulous Eustachian tube, unspecified earH69.01Patulous Eustachian tube, right earH69.02Patulous Eustachian tube, left earH69.03Patulous Eustachian tube, bilateral