| H49 | Paralytic strabismus | NON-BILLABLE CODE |
| H49.0 | Third [oculomotor] nerve palsy | NON-BILLABLE CODE |
| H49.01 | Third [oculomotor] nerve palsy, right eye | BILLABLE CODE |
| H49.02 | Third [oculomotor] nerve palsy, left eye | BILLABLE CODE |
| H49.03 | Third [oculomotor] nerve palsy, bilateral | BILLABLE CODE |
| H49.1 | Fourth [trochlear] nerve palsy | NON-BILLABLE CODE |
| H49.10 | Fourth [trochlear] nerve palsy, unspecified eye | BILLABLE CODE |
| H49.11 | Fourth [trochlear] nerve palsy, right eye | BILLABLE CODE |
| H49.12 | Fourth [trochlear] nerve palsy, left eye | BILLABLE CODE |
| H49.13 | Fourth [trochlear] nerve palsy, bilateral | BILLABLE CODE |
| H49.2 | Sixth [abducent] nerve palsy | NON-BILLABLE CODE |
| H49.20 | Sixth [abducent] nerve palsy, unspecified eye | BILLABLE CODE |
| H49.21 | Sixth [abducent] nerve palsy, right eye | BILLABLE CODE |
| H49.22 | Sixth [abducent] nerve palsy, left eye | BILLABLE CODE |
| H49.23 | Sixth [abducent] nerve palsy, bilateral | BILLABLE CODE |
| H49.3 | Total (external) ophthalmoplegia | NON-BILLABLE CODE |
| H49.30 | Total (external) ophthalmoplegia, unspecified eye | BILLABLE CODE |
| H49.31 | Total (external) ophthalmoplegia, right eye | BILLABLE CODE |
| H49.32 | Total (external) ophthalmoplegia, left eye | BILLABLE CODE |
| H49.33 | Total (external) ophthalmoplegia, bilateral | BILLABLE CODE |
| H49.4 | Progressive external ophthalmoplegia | NON-BILLABLE CODE |
| H49.40 | Progressive external ophthalmoplegia, unspecified eye | BILLABLE CODE |
| H49.41 | Progressive external ophthalmoplegia, right eye | BILLABLE CODE |
| H49.42 | Progressive external ophthalmoplegia, left eye | BILLABLE CODE |
| H49.43 | Progressive external ophthalmoplegia, bilateral | BILLABLE CODE |
| H49.8 | Other paralytic strabismus | NON-BILLABLE CODE |
| H49.81 | Kearns-Sayre syndrome | NON-BILLABLE CODE |
| H49.811 | Kearns-Sayre syndrome, right eye | BILLABLE CODE |
| H49.812 | Kearns-Sayre syndrome, left eye | BILLABLE CODE |
| H49.813 | Kearns-Sayre syndrome, bilateral | BILLABLE CODE |
| H49.819 | Kearns-Sayre syndrome, unspecified eye | BILLABLE CODE |
| H49.88 | Other paralytic strabismus | NON-BILLABLE CODE |
| H49.881 | Other paralytic strabismus, right eye | BILLABLE CODE |
| H49.882 | Other paralytic strabismus, left eye | BILLABLE CODE |
| H49.883 | Other paralytic strabismus, bilateral | BILLABLE CODE |
| H49.889 | Other paralytic strabismus, unspecified eye | BILLABLE CODE |
| H49.9 | Unspecified paralytic strabismus | BILLABLE CODE |
