H49 Paralytic strabismus
ICD-10-CM category H49 sits in Chapter 7 (Diseases of the eye and adnexa, H00-H59). It contains 29 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
H49.0 Third [oculomotor] nerve palsyH49.1 Fourth [trochlear] nerve palsyH49.2 Sixth [abducent] nerve palsyH49.3 Total (external) ophthalmoplegiaH49.4 Progressive external ophthalmoplegiaH49.8 Other paralytic strabismusH49.81 Kearns-Sayre syndromeH49.88 Other paralytic strabismus
Billable codes in H49
| Code | Description |
|---|---|
H49.00 | Third [oculomotor] nerve palsy, unspecified eye |
H49.01 | Third [oculomotor] nerve palsy, right eye |
H49.02 | Third [oculomotor] nerve palsy, left eye |
H49.03 | Third [oculomotor] nerve palsy, bilateral |
H49.10 | Fourth [trochlear] nerve palsy, unspecified eye |
H49.11 | Fourth [trochlear] nerve palsy, right eye |
H49.12 | Fourth [trochlear] nerve palsy, left eye |
H49.13 | Fourth [trochlear] nerve palsy, bilateral |
H49.20 | Sixth [abducent] nerve palsy, unspecified eye |
H49.21 | Sixth [abducent] nerve palsy, right eye |
H49.22 | Sixth [abducent] nerve palsy, left eye |
H49.23 | Sixth [abducent] nerve palsy, bilateral |
H49.30 | Total (external) ophthalmoplegia, unspecified eye |
H49.31 | Total (external) ophthalmoplegia, right eye |
H49.32 | Total (external) ophthalmoplegia, left eye |
H49.33 | Total (external) ophthalmoplegia, bilateral |
H49.40 | Progressive external ophthalmoplegia, unspecified eye |
H49.41 | Progressive external ophthalmoplegia, right eye |
H49.42 | Progressive external ophthalmoplegia, left eye |
H49.43 | Progressive external ophthalmoplegia, bilateral |
H49.811 | Kearns-Sayre syndrome, right eye |
H49.812 | Kearns-Sayre syndrome, left eye |
H49.813 | Kearns-Sayre syndrome, bilateral |
H49.819 | Kearns-Sayre syndrome, unspecified eye |
H49.881 | Other paralytic strabismus, right eye |
H49.882 | Other paralytic strabismus, left eye |
H49.883 | Other paralytic strabismus, bilateral |
H49.889 | Other paralytic strabismus, unspecified eye |
H49.9 | Unspecified paralytic strabismus |
Search within ICD-10-CM for H49 and related codes
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