ICD-10-CM 2027
ICD-10 code for Discontinuity
From the official ICD-10-CM alphabetic index entry “Discontinuity, ossicles, ear”. Page updated September 29, 2026.
About coding Discontinuity
The ICD-10-CM code for Discontinuity is H74.2 (Discontinuity and dislocation of ear ossicles).
Within H74 (other disorders of middle ear mastoid), H74.2 is specifically for Discontinuity and dislocation of ear ossicles. Related codes cover Tympanosclerosis (H74.0), adhesive middle ear disease (H74.1), other acquired abnormalities of ear ossicles (H74.3), polyp of middle ear (H74.4), other specified disorders of middle ear and mastoid (H74.8) and unspecified disorder of middle ear and mastoid (H74.9).
To report this condition, pick the subcode that matches the documentation: H74.20 (unspecified ear), H74.21 (ossicles), H74.22 (ossicles) and H74.23 (bilateral).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.