ICD-10 · PDGM grouping
H17 Corneal scars and opacities
All 18 codes in the H17 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
18
Can lead a claim
13
Cannot lead a claim
5
What CMS assigns to H17
13 of the 18 codes group to MMTA - Other; 5 are assigned no clinical group. None of the 18 is assigned a comorbidity subgroup. 13 of the 18 can lead a claim.
Every code in H17
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 |
|---|---|---|---|---|
| H17.0 Adherent leukoma | ||||
| H17.00 | Adherent leukoma, unspecified eye | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| H17.01 | Adherent leukoma, right eye | Can lead a claim | A | None |
| H17.02 | Adherent leukoma, left eye | Can lead a claim | A | None |
| H17.03 | Adherent leukoma, bilateral | Can lead a claim | A | None |
| H17.1 Central corneal opacity | ||||
| H17.10 | Central corneal opacity, unspecified eye | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| H17.11 | Central corneal opacity, right eye | Can lead a claim | A | None |
| H17.12 | Central corneal opacity, left eye | Can lead a claim | A | None |
| H17.13 | Central corneal opacity, bilateral | Can lead a claim | A | None |
| H17.8 Other corneal scars and opacities | ||||
| H17.81 Minor opacity of cornea | ||||
| H17.811 | Minor opacity of cornea, right eye | Can lead a claim | A | None |
| H17.812 | Minor opacity of cornea, left eye | Can lead a claim | A | None |
| H17.813 | Minor opacity of cornea, bilateral | Can lead a claim | A | None |
| H17.819 | Minor opacity of cornea, unspecified eye | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| H17.82 Peripheral opacity of cornea | ||||
| H17.821 | Peripheral opacity of cornea, right eye | Can lead a claim | A | None |
| H17.822 | Peripheral opacity of cornea, left eye | Can lead a claim | A | None |
| H17.823 | Peripheral opacity of cornea, bilateral | Can lead a claim | A | None |
| H17.829 | Peripheral opacity of cornea, unspecified eye | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| H17.89 | Other corneal scars and opacities | Can lead a claim | A | None |
| H17.9 | Unspecified corneal scar and opacity | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | 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.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue