H74 Other disorders of middle ear mastoid
ICD-10-CM category H74 sits in Chapter 8 (Diseases of the ear and mastoid process, H60-H95). It contains 36 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
H74.0 TympanosclerosisH74.1 Adhesive middle ear diseaseH74.2 Discontinuity and dislocation of ear ossiclesH74.3 Other acquired abnormalities of ear ossiclesH74.31 Ankylosis of ear ossiclesH74.32 Partial loss of ear ossiclesH74.39 Other acquired abnormalities of ear ossiclesH74.4 Polyp of middle earH74.8 Other specified disorders of middle ear and mastoidH74.8X Other specified disorders of middle ear and mastoidH74.9 Unspecified disorder of middle ear and mastoid
Billable codes in H74
| Code | Description |
|---|---|
H74.01 | Tympanosclerosis, right ear |
H74.02 | Tympanosclerosis, left ear |
H74.03 | Tympanosclerosis, bilateral |
H74.09 | Tympanosclerosis, unspecified ear |
H74.11 | Adhesive right middle ear disease |
H74.12 | Adhesive left middle ear disease |
H74.13 | Adhesive middle ear disease, bilateral |
H74.19 | Adhesive middle ear disease, unspecified ear |
H74.20 | Discontinuity and dislocation of ear ossicles, unspecified ear |
H74.21 | Discontinuity and dislocation of right ear ossicles |
H74.22 | Discontinuity and dislocation of left ear ossicles |
H74.23 | Discontinuity and dislocation of ear ossicles, bilateral |
H74.311 | Ankylosis of ear ossicles, right ear |
H74.312 | Ankylosis of ear ossicles, left ear |
H74.313 | Ankylosis of ear ossicles, bilateral |
H74.319 | Ankylosis of ear ossicles, unspecified ear |
H74.321 | Partial loss of ear ossicles, right ear |
H74.322 | Partial loss of ear ossicles, left ear |
H74.323 | Partial loss of ear ossicles, bilateral |
H74.329 | Partial loss of ear ossicles, unspecified ear |
H74.391 | Other acquired abnormalities of right ear ossicles |
H74.392 | Other acquired abnormalities of left ear ossicles |
H74.393 | Other acquired abnormalities of ear ossicles, bilateral |
H74.399 | Other acquired abnormalities of ear ossicles, unspecified ear |
H74.40 | Polyp of middle ear, unspecified ear |
H74.41 | Polyp of right middle ear |
H74.42 | Polyp of left middle ear |
H74.43 | Polyp of middle ear, bilateral |
H74.8X1 | Other specified disorders of right middle ear and mastoid |
H74.8X2 | Other specified disorders of left middle ear and mastoid |
H74.8X3 | Other specified disorders of middle ear and mastoid, bilateral |
H74.8X9 | Other specified disorders of middle ear and mastoid, unspecified ear |
H74.90 | Unspecified disorder of middle ear and mastoid, unspecified ear |
H74.91 | Unspecified disorder of right middle ear and mastoid |
H74.92 | Unspecified disorder of left middle ear and mastoid |
H74.93 | Unspecified disorder of middle ear and mastoid, bilateral |
Search within ICD-10-CM for H74 and related codes