ICD-10 · PDGM grouping
H51 Other disorders of binocular movement
All 9 codes in the H51 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
9
Can lead a claim
7
Cannot lead a claim
2
What CMS assigns to H51
7 of the 9 codes group to MMTA - Other; 2 are assigned no clinical group. None of the 9 is assigned a comorbidity subgroup. 7 of the 9 can lead a claim.
Every code in H51
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 |
|---|---|---|---|---|
| H51.0 | Palsy (spasm) of conjugate gaze | Can lead a claim | A | None |
| H51.1 Convergence insufficiency and excess | ||||
| H51.11 | Convergence insufficiency | Can lead a claim | A | None |
| H51.12 | Convergence excess | Can lead a claim | A | None |
| H51.2 Internuclear ophthalmoplegia | ||||
| H51.20 | Internuclear ophthalmoplegia, unspecified eye | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| H51.21 | Internuclear ophthalmoplegia, right eye | Can lead a claim | A | None |
| H51.22 | Internuclear ophthalmoplegia, left eye | Can lead a claim | A | None |
| H51.23 | Internuclear ophthalmoplegia, bilateral | Can lead a claim | A | None |
| H51.8 | Other specified disorders of binocular movement | Can lead a claim | A | None |
| H51.9 | Unspecified disorder of binocular movement | 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