ICD-10 · PDGM grouping
H49-H52 — Disorders of ocular muscles, binocular movement, accommodation and refraction
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.1.26.
OASIS-E2 v1.00.0 · ingested 2026-04-26
Codes in range
150
No clinical group
25
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
125 of the 150 codes in H49-H52 group to MMTA - Other. A further 25 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Every code in H49-H52
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| H4900 | Third [oculomotor] nerve palsy, unspecified eye | None | Cannot group |
| H4901 | Third [oculomotor] nerve palsy, right eye | A | Accepted |
| H4902 | Third [oculomotor] nerve palsy, left eye | A | Accepted |
| H4903 | Third [oculomotor] nerve palsy, bilateral | A | Accepted |
| H4910 | Fourth [trochlear] nerve palsy, unspecified eye | None | Cannot group |
| H4911 | Fourth [trochlear] nerve palsy, right eye | A | Accepted |
| H4912 | Fourth [trochlear] nerve palsy, left eye | A | Accepted |
| H4913 | Fourth [trochlear] nerve palsy, bilateral | A | Accepted |
| H4920 | Sixth [abducent] nerve palsy, unspecified eye | None | Cannot group |
| H4921 | Sixth [abducent] nerve palsy, right eye | A | Accepted |
| H4922 | Sixth [abducent] nerve palsy, left eye | A | Accepted |
| H4923 | Sixth [abducent] nerve palsy, bilateral | A | Accepted |
| H4930 | Total (external) ophthalmoplegia, unspecified eye | None | Cannot group |
| H4931 | Total (external) ophthalmoplegia, right eye | A | Accepted |
| H4932 | Total (external) ophthalmoplegia, left eye | A | Accepted |
| H4933 | Total (external) ophthalmoplegia, bilateral | A | Accepted |
| H4940 | Progressive external ophthalmoplegia, unspecified eye | None | Cannot group |
| H4941 | Progressive external ophthalmoplegia, right eye | A | Accepted |
| H4942 | Progressive external ophthalmoplegia, left eye | A | Accepted |
| H4943 | Progressive external ophthalmoplegia, bilateral | A | Accepted |
| H49811 | Kearns-Sayre syndrome, right eye | A | Accepted |
| H49812 | Kearns-Sayre syndrome, left eye | A | Accepted |
| H49813 | Kearns-Sayre syndrome, bilateral | A | Accepted |
| H49819 | Kearns-Sayre syndrome, unspecified eye | None | Too unspecified |
| H49881 | Other paralytic strabismus, right eye | A | Accepted |
| H49882 | Other paralytic strabismus, left eye | A | Accepted |
| H49883 | Other paralytic strabismus, bilateral | A | Accepted |
| H49889 | Other paralytic strabismus, unspecified eye | None | Cannot group |
| H499 | Unspecified paralytic strabismus | A | Accepted |
| H5000 | Unspecified esotropia | A | Accepted |
| H50011 | Monocular esotropia, right eye | A | Accepted |
| H50012 | Monocular esotropia, left eye | A | Accepted |
| H50021 | Monocular esotropia with A pattern, right eye | A | Accepted |
| H50022 | Monocular esotropia with A pattern, left eye | A | Accepted |
| H50031 | Monocular esotropia with V pattern, right eye | A | Accepted |
| H50032 | Monocular esotropia with V pattern, left eye | A | Accepted |
| H50041 | Monocular esotropia with other noncomitancies, right eye | A | Accepted |
| H50042 | Monocular esotropia with other noncomitancies, left eye | A | Accepted |
| H5005 | Alternating esotropia | A | Accepted |
| H5006 | Alternating esotropia with A pattern | A | Accepted |
| H5007 | Alternating esotropia with V pattern | A | Accepted |
| H5008 | Alternating esotropia with other noncomitancies | A | Accepted |
| H5010 | Unspecified exotropia | A | Accepted |
| H50111 | Monocular exotropia, right eye | A | Accepted |
| H50112 | Monocular exotropia, left eye | A | Accepted |
| H50121 | Monocular exotropia with A pattern, right eye | A | Accepted |
| H50122 | Monocular exotropia with A pattern, left eye | A | Accepted |
| H50131 | Monocular exotropia with V pattern, right eye | A | Accepted |
| H50132 | Monocular exotropia with V pattern, left eye | A | Accepted |
| H50141 | Monocular exotropia with other noncomitancies, right eye | A | Accepted |
| H50142 | Monocular exotropia with other noncomitancies, left eye | A | Accepted |
| H5015 | Alternating exotropia | A | Accepted |
| H5016 | Alternating exotropia with A pattern | A | Accepted |
| H5017 | Alternating exotropia with V pattern | A | Accepted |
| H5018 | Alternating exotropia with other noncomitancies | A | Accepted |
| H5021 | Vertical strabismus, right eye | A | Accepted |
| H5022 | Vertical strabismus, left eye | A | Accepted |
| H5030 | Unspecified intermittent heterotropia | A | Accepted |
| H50311 | Intermittent monocular esotropia, right eye | A | Accepted |
| H50312 | Intermittent monocular esotropia, left eye | A | Accepted |
| H5032 | Intermittent alternating esotropia | A | Accepted |
| H50331 | Intermittent monocular exotropia, right eye | A | Accepted |
| H50332 | Intermittent monocular exotropia, left eye | A | Accepted |
| H5034 | Intermittent alternating exotropia | A | Accepted |
| H5040 | Unspecified heterotropia | A | Accepted |
| H50411 | Cyclotropia, right eye | A | Accepted |
| H50412 | Cyclotropia, left eye | A | Accepted |
| H5042 | Monofixation syndrome | A | Accepted |
| H5043 | Accommodative component in esotropia | A | Accepted |
| H5050 | Unspecified heterophoria | A | Accepted |
| H5051 | Esophoria | A | Accepted |
| H5052 | Exophoria | A | Accepted |
| H5053 | Vertical heterophoria | A | Accepted |
| H5054 | Cyclophoria | A | Accepted |
| H5055 | Alternating heterophoria | A | Accepted |
| H5060 | Mechanical strabismus, unspecified | A | Accepted |
| H50611 | Brown's sheath syndrome, right eye | A | Accepted |
| H50612 | Brown's sheath syndrome, left eye | A | Accepted |
| H50621 | Inferior oblique muscle entrapment, right eye | A | Accepted |
| H50622 | Inferior oblique muscle entrapment, left eye | A | Accepted |
| H50629 | Inferior oblique muscle entrapment, unspecified eye | None | Cannot group |
| H50631 | Inferior rectus muscle entrapment, right eye | A | Accepted |
| H50632 | Inferior rectus muscle entrapment, left eye | A | Accepted |
| H50639 | Inferior rectus muscle entrapment, unspecified eye | None | Cannot group |
| H50641 | Lateral rectus muscle entrapment, right eye | A | Accepted |
| H50642 | Lateral rectus muscle entrapment, left eye | A | Accepted |
| H50649 | Lateral rectus muscle entrapment, unspecified eye | None | Cannot group |
| H50651 | Medial rectus muscle entrapment, right eye | A | Accepted |
| H50652 | Medial rectus muscle entrapment, left eye | A | Accepted |
| H50659 | Medial rectus muscle entrapment, unspecified eye | None | Cannot group |
| H50661 | Superior oblique muscle entrapment, right eye | A | Accepted |
| H50662 | Superior oblique muscle entrapment, left eye | A | Accepted |
| H50669 | Superior oblique muscle entrapment, unspecified eye | None | Cannot group |
| H50671 | Superior rectus muscle entrapment, right eye | A | Accepted |
| H50672 | Superior rectus muscle entrapment, left eye | A | Accepted |
| H50679 | Superior rectus muscle entrapment, unspecified eye | None | Cannot group |
| H50681 | Extraocular muscle entrapment, unspecified, right eye | A | Accepted |
| H50682 | Extraocular muscle entrapment, unspecified, left eye | A | Accepted |
| H50689 | Extraocular muscle entrapment, unspecified, unspecified eye | None | Cannot group |
| H5069 | Other mechanical strabismus | A | Accepted |
| H50811 | Duane's syndrome, right eye | A | Accepted |
| H50812 | Duane's syndrome, left eye | A | Accepted |
| H5089 | Other specified strabismus | A | Accepted |
| H509 | Unspecified strabismus | A | Accepted |
| H510 | Palsy (spasm) of conjugate gaze | A | Accepted |
| H5111 | Convergence insufficiency | A | Accepted |
| H5112 | Convergence excess | A | Accepted |
| H5120 | Internuclear ophthalmoplegia, unspecified eye | None | Cannot group |
| H5121 | Internuclear ophthalmoplegia, right eye | A | Accepted |
| H5122 | Internuclear ophthalmoplegia, left eye | A | Accepted |
| H5123 | Internuclear ophthalmoplegia, bilateral | A | Accepted |
| H518 | Other specified disorders of binocular movement | A | Accepted |
| H519 | Unspecified disorder of binocular movement | None | Cannot group |
| H5200 | Hypermetropia, unspecified eye | None | Cannot group |
| H5201 | Hypermetropia, right eye | A | Accepted |
| H5202 | Hypermetropia, left eye | A | Accepted |
| H5203 | Hypermetropia, bilateral | A | Accepted |
| H5210 | Myopia, unspecified eye | None | Cannot group |
| H5211 | Myopia, right eye | A | Accepted |
| H5212 | Myopia, left eye | A | Accepted |
| H5213 | Myopia, bilateral | A | Accepted |
| H52201 | Unspecified astigmatism, right eye | A | Accepted |
| H52202 | Unspecified astigmatism, left eye | A | Accepted |
| H52203 | Unspecified astigmatism, bilateral | A | Accepted |
| H52209 | Unspecified astigmatism, unspecified eye | None | Cannot group |
| H52211 | Irregular astigmatism, right eye | A | Accepted |
| H52212 | Irregular astigmatism, left eye | A | Accepted |
| H52213 | Irregular astigmatism, bilateral | A | Accepted |
| H52219 | Irregular astigmatism, unspecified eye | None | Cannot group |
| H52221 | Regular astigmatism, right eye | A | Accepted |
| H52222 | Regular astigmatism, left eye | A | Accepted |
| H52223 | Regular astigmatism, bilateral | A | Accepted |
| H52229 | Regular astigmatism, unspecified eye | None | Cannot group |
| H5231 | Anisometropia | A | Accepted |
| H5232 | Aniseikonia | A | Accepted |
| H524 | Presbyopia | A | Accepted |
| H52511 | Internal ophthalmoplegia (complete) (total), right eye | A | Accepted |
| H52512 | Internal ophthalmoplegia (complete) (total), left eye | A | Accepted |
| H52513 | Internal ophthalmoplegia (complete) (total), bilateral | A | Accepted |
| H52519 | Internal ophthalmoplegia (complete) (total), unspecified eye | None | Cannot group |
| H52521 | Paresis of accommodation, right eye | A | Accepted |
| H52522 | Paresis of accommodation, left eye | A | Accepted |
| H52523 | Paresis of accommodation, bilateral | A | Accepted |
| H52529 | Paresis of accommodation, unspecified eye | None | Cannot group |
| H52531 | Spasm of accommodation, right eye | A | Accepted |
| H52532 | Spasm of accommodation, left eye | A | Accepted |
| H52533 | Spasm of accommodation, bilateral | A | Accepted |
| H52539 | Spasm of accommodation, unspecified eye | None | Cannot group |
| H526 | Other disorders of refraction | A | Accepted |
| H527 | Unspecified disorder of refraction | None | Cannot group |
Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. 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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