H95.1 - Other disorders of ear and mastoid process following mastoidectomy
H95.19 - Other disorders following mastoidectomy
H95.191 - Other disorders following mastoidectomy, right ear
H95.192 - Other disorders following mastoidectomy, left ear
H95.193 - Other disorders following mastoidectomy, bilateral ears
H95.199 - Other disorders following mastoidectomy, unspecified ear