ICD-10-CM › H60-H95 › H65-H75 › H74 Other disorders of middle ear mastoid › H74.0
Tympanosclerosis
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 4 more specific codes instead:
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Tympanosclerosis
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from H74 Other disorders of middle ear mastoid
Excludes2 - not included here
- mastoiditis (H70.-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Tympanosclerosis
Codes in the same group
| Code | Description | Status |
|---|---|---|
| H74.1 | Adhesive middle ear disease | Not billable |
| H74.2 | Discontinuity and dislocation of ear ossicles | Not billable |
| H74.3 | Other acquired abnormalities of ear ossicles | Not billable |
| H74.4 | Polyp of middle ear | Not billable |
| H74.8 | Other specified disorders of middle ear and mastoid | Not billable |
| H74.9 | Unspecified disorder of middle ear and mastoid | Not billable |