H74 — Other disorders of middle ear mastoid
Is H74 billable?
No — H74 is a non-billable header code. H74 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 36 billable codes beneath H74.
Billable codes under this header
- H74.01Tympanosclerosis, right ear
- H74.02Tympanosclerosis, left ear
- H74.03Tympanosclerosis, bilateral
- H74.09Tympanosclerosis, unspecified ear
- H74.11Adhesive right middle ear disease
- H74.12Adhesive left middle ear disease
- H74.13Adhesive middle ear disease, bilateral
- H74.19Adhesive middle ear disease, unspecified ear
- H74.20Discontinuity and dislocation of ear ossicles, unspecified ear
- H74.21Discontinuity and dislocation of right ear ossicles
- H74.22Discontinuity and dislocation of left ear ossicles
- H74.23Discontinuity and dislocation of ear ossicles, bilateral
- H74.40Polyp of middle ear, unspecified ear
- H74.41Polyp of right middle ear
- H74.42Polyp of left middle ear
- H74.43Polyp of middle ear, bilateral
- H74.90Unspecified disorder of middle ear and mastoid, unspecified ear
- H74.91Unspecified disorder of right middle ear and mastoid
- H74.92Unspecified disorder of left middle ear and mastoid
- H74.93Unspecified disorder of middle ear and mastoid, bilateral
- H74.311Ankylosis of ear ossicles, right ear
- H74.312Ankylosis of ear ossicles, left ear
- H74.313Ankylosis of ear ossicles, bilateral
- H74.319Ankylosis of ear ossicles, unspecified ear
- H74.321Partial loss of ear ossicles, right ear
- H74.322Partial loss of ear ossicles, left ear
- H74.323Partial loss of ear ossicles, bilateral
- H74.329Partial loss of ear ossicles, unspecified ear
- H74.391Other acquired abnormalities of right ear ossicles
- H74.392Other acquired abnormalities of left ear ossicles
- H74.393Other acquired abnormalities of ear ossicles, bilateral
- H74.399Other acquired abnormalities of ear ossicles, unspecified ear
- H74.8X1Other specified disorders of right middle ear and mastoid
- H74.8X2Other specified disorders of left middle ear and mastoid
- H74.8X3Other specified disorders of middle ear and mastoid, bilateral
- H74.8X9Other specified disorders of middle ear and mastoid, unspecified ear
H74 at a glance
| Code | H74 |
|---|---|
| Description | Other disorders of middle ear mastoid |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here
The conditions below are not part of H74, but a patient may have both at the same time. When documentation supports it, H74 and the excluded code may both be reported.
- mastoiditis (H70.-)
Excludes2 — not included here — inherited from Chapter 8
The conditions below are not part of H74, but a patient may have both at the same time. When documentation supports it, H74 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
What codes fall under H74? (7)
- H74.0Tympanosclerosisnot billable
- H74.1Adhesive middle ear diseasenot billable
- H74.2Discontinuity and dislocation of ear ossiclesnot billable
- H74.3Other acquired abnormalities of ear ossiclesnot billable
- H74.4Polyp of middle earnot billable
- H74.8Other specified disorders of middle ear and mastoidnot billable
- H74.9Unspecified disorder of middle ear and mastoidnot billable
How long has H74 existed?
H74 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.