ICD-10-CM > H60-H95 > H65-H75 > H73 > H73.8 > H73.81 H73.81 Atrophic flaccid tympanic membrane Non-Billable/Non-Specific Codes H73.811Atrophic flaccid tympanic membrane, right earH73.812Atrophic flaccid tympanic membrane, left earH73.813Atrophic flaccid tympanic membrane, bilateralH73.819Atrophic flaccid tympanic membrane, unspecified ear