ICD-10 · PDGM grouping
H80 Otosclerosis
All 20 codes in the H80 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
20
Can lead a claim
15
Cannot lead a claim
5
What CMS assigns to H80
15 of the 20 codes group to MMTA - Other; 5 are assigned no clinical group. None of the 20 is assigned a comorbidity subgroup. 15 of the 20 can lead a claim.
Every code in H80
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| H80.0 Otosclerosis involving oval window, nonobliterative | ||||
| H80.00 | Otosclerosis involving oval window, nonobliterative, unspecified earCMS: Otosclerosis w oval window, nonobliterative, unsp ear | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| H80.01 | Otosclerosis involving oval window, nonobliterative, right earCMS: Otosclerosis w oval window, nonobliterative, right ear | Can lead a claim | A | None |
| H80.02 | Otosclerosis involving oval window, nonobliterative, left earCMS: Otosclerosis w oval window, nonobliterative, left ear | Can lead a claim | A | None |
| H80.03 | Otosclerosis involving oval window, nonobliterative, bilateralCMS: Otosclerosis involving oval window, nonobliterative, bi | Can lead a claim | A | None |
| H80.1 Otosclerosis involving oval window, obliterative | ||||
| H80.10 | Otosclerosis involving oval window, obliterative, unspecified earCMS: Otosclerosis involving oval window, obliterative, unsp ear | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| H80.11 | Otosclerosis involving oval window, obliterative, right ear | Can lead a claim | A | None |
| H80.12 | Otosclerosis involving oval window, obliterative, left ear | Can lead a claim | A | None |
| H80.13 | Otosclerosis involving oval window, obliterative, bilateral | Can lead a claim | A | None |
| H80.2 Cochlear otosclerosis | ||||
| H80.20 | Cochlear otosclerosis, unspecified ear | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| H80.21 | Cochlear otosclerosis, right ear | Can lead a claim | A | None |
| H80.22 | Cochlear otosclerosis, left ear | Can lead a claim | A | None |
| H80.23 | Cochlear otosclerosis, bilateral | Can lead a claim | A | None |
| H80.8 Other otosclerosis | ||||
| H80.80 | Other otosclerosis, unspecified ear | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| H80.81 | Other otosclerosis, right ear | Can lead a claim | A | None |
| H80.82 | Other otosclerosis, left ear | Can lead a claim | A | None |
| H80.83 | Other otosclerosis, bilateral | Can lead a claim | A | None |
| H80.9 Unspecified otosclerosis | ||||
| H80.90 | Unspecified otosclerosis, unspecified ear | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| H80.91 | Unspecified otosclerosis, right ear | Can lead a claim | A | None |
| H80.92 | Unspecified otosclerosis, left ear | Can lead a claim | A | None |
| H80.93 | Unspecified otosclerosis, bilateral | Can lead a claim | A | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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