| H51 | Other disorders of binocular movement | NON-BILLABLE CODE |
| H51.0 | Palsy (spasm) of conjugate gaze | BILLABLE CODE |
| H51.1 | Convergence insufficiency and excess | NON-BILLABLE CODE |
| H51.11 | Convergence insufficiency | BILLABLE CODE |
| H51.12 | Convergence excess | BILLABLE CODE |
| H51.2 | Internuclear ophthalmoplegia | NON-BILLABLE CODE |
| H51.20 | Internuclear ophthalmoplegia, unspecified eye | BILLABLE CODE |
| H51.21 | Internuclear ophthalmoplegia, right eye | BILLABLE CODE |
| H51.22 | Internuclear ophthalmoplegia, left eye | BILLABLE CODE |
| H51.23 | Internuclear ophthalmoplegia, bilateral | BILLABLE CODE |
| H51.9 | Unspecified disorder of binocular movement | BILLABLE CODE |
