| H50 | Other strabismus | NON-BILLABLE CODE |
| H50.0 | Esotropia | NON-BILLABLE CODE |
| H50.00 | Unspecified esotropia | BILLABLE CODE |
| H50.01 | Monocular esotropia | NON-BILLABLE CODE |
| H50.011 | Monocular esotropia, right eye | BILLABLE CODE |
| H50.012 | Monocular esotropia, left eye | BILLABLE CODE |
| H50.02 | Monocular esotropia with A pattern | NON-BILLABLE CODE |
| H50.021 | Monocular esotropia with A pattern, right eye | BILLABLE CODE |
| H50.022 | Monocular esotropia with A pattern, left eye | BILLABLE CODE |
| H50.03 | Monocular esotropia with V pattern | NON-BILLABLE CODE |
| H50.031 | Monocular esotropia with V pattern, right eye | BILLABLE CODE |
| H50.04 | Monocular esotropia with other noncomitancies | NON-BILLABLE CODE |
| H50.041 | Monocular esotropia with other noncomitancies, right eye | BILLABLE CODE |
| H50.042 | Monocular esotropia with other noncomitancies, left eye | BILLABLE CODE |
| H50.05 | Alternating esotropia | BILLABLE CODE |
| H50.06 | Alternating esotropia with A pattern | BILLABLE CODE |
| H50.07 | Alternating esotropia with V pattern | BILLABLE CODE |
| H50.08 | Alternating esotropia with other noncomitancies | BILLABLE CODE |
| H50.1 | Exotropia | NON-BILLABLE CODE |
| H50.10 | Unspecified exotropia | BILLABLE CODE |
| H50.11 | Monocular exotropia | NON-BILLABLE CODE |
| H50.111 | Monocular exotropia, right eye | BILLABLE CODE |
| H50.112 | Monocular exotropia, left eye | BILLABLE CODE |
| H50.12 | Monocular exotropia with A pattern | NON-BILLABLE CODE |
| H50.121 | Monocular exotropia with A pattern, right eye | BILLABLE CODE |
| H50.122 | Monocular exotropia with A pattern, left eye | BILLABLE CODE |
| H50.13 | Monocular exotropia with V pattern | NON-BILLABLE CODE |
| H50.131 | Monocular exotropia with V pattern, right eye | BILLABLE CODE |
| H50.132 | Monocular exotropia with V pattern, left eye | BILLABLE CODE |
| H50.14 | Monocular exotropia with other noncomitancies | NON-BILLABLE CODE |
| H50.141 | Monocular exotropia with other noncomitancies, right eye | BILLABLE CODE |
| H50.142 | Monocular exotropia with other noncomitancies, left eye | BILLABLE CODE |
| H50.15 | Alternating exotropia | BILLABLE CODE |
| H50.16 | Alternating exotropia with A pattern | BILLABLE CODE |
| H50.17 | Alternating exotropia with V pattern | BILLABLE CODE |
| H50.18 | Alternating exotropia with other noncomitancies | BILLABLE CODE |
| H50.2 | Vertical strabismus | NON-BILLABLE CODE |
| H50.21 | Vertical strabismus, right eye | BILLABLE CODE |
| H50.22 | Vertical strabismus, left eye | BILLABLE CODE |
| H50.3 | Intermittent heterotropia | NON-BILLABLE CODE |
| H50.30 | Unspecified intermittent heterotropia | BILLABLE CODE |
| H50.31 | Intermittent monocular esotropia | NON-BILLABLE CODE |
| H50.311 | Intermittent monocular esotropia, right eye | BILLABLE CODE |
| H50.312 | Intermittent monocular esotropia, left eye | BILLABLE CODE |
| H50.32 | Intermittent alternating esotropia | BILLABLE CODE |
| H50.33 | Intermittent monocular exotropia | NON-BILLABLE CODE |
| H50.331 | Intermittent monocular exotropia, right eye | BILLABLE CODE |
| H50.332 | Intermittent monocular exotropia, left eye | BILLABLE CODE |
| H50.34 | Intermittent alternating exotropia | BILLABLE CODE |
| H50.4 | Other and unspecified heterotropia | NON-BILLABLE CODE |
| H50.40 | Unspecified heterotropia | BILLABLE CODE |
| H50.41 | Cyclotropia | NON-BILLABLE CODE |
| H50.411 | Cyclotropia, right eye | BILLABLE CODE |
| H50.412 | Cyclotropia, left eye | BILLABLE CODE |
| H50.42 | Monofixation syndrome | BILLABLE CODE |
| H50.43 | Accommodative component in esotropia | BILLABLE CODE |
| H50.5 | Heterophoria | NON-BILLABLE CODE |
| H50.50 | Unspecified heterophoria | BILLABLE CODE |
| H50.51 | Esophoria | BILLABLE CODE |
| H50.52 | Exophoria | BILLABLE CODE |
| H50.53 | Vertical heterophoria | BILLABLE CODE |
| H50.54 | Cyclophoria | BILLABLE CODE |
| H50.55 | Alternating heterophoria | BILLABLE CODE |
| H50.6 | Mechanical strabismus | NON-BILLABLE CODE |
| H50.60 | Mechanical strabismus, unspecified | BILLABLE CODE |
| H50.61 | Brown's sheath syndrome | NON-BILLABLE CODE |
| H50.611 | Brown's sheath syndrome, right eye | BILLABLE CODE |
| H50.612 | Brown's sheath syndrome, left eye | BILLABLE CODE |
| H50.62 | Inferior oblique muscle entrapment | NON-BILLABLE CODE |
| H50.621 | Inferior oblique muscle entrapment, right eye | BILLABLE CODE |
| H50.622 | Inferior oblique muscle entrapment, left eye | BILLABLE CODE |
| H50.629 | Inferior oblique muscle entrapment, unspecified eye | BILLABLE CODE |
| H50.63 | Inferior rectus muscle entrapment | NON-BILLABLE CODE |
| H50.631 | Inferior rectus muscle entrapment, right eye | BILLABLE CODE |
| H50.632 | Inferior rectus muscle entrapment, left eye | BILLABLE CODE |
| H50.639 | Inferior rectus muscle entrapment, unspecified eye | BILLABLE CODE |
| H50.64 | Lateral rectus muscle entrapment | NON-BILLABLE CODE |
| H50.641 | Lateral rectus muscle entrapment, right eye | BILLABLE CODE |
| H50.642 | Lateral rectus muscle entrapment, left eye | BILLABLE CODE |
| H50.649 | Lateral rectus muscle entrapment, unspecified eye | BILLABLE CODE |
| H50.65 | Medial rectus muscle entrapment | NON-BILLABLE CODE |
| H50.651 | Medial rectus muscle entrapment, right eye | BILLABLE CODE |
| H50.652 | Medial rectus muscle entrapment, left eye | BILLABLE CODE |
| H50.659 | Medial rectus muscle entrapment, unspecified eye | BILLABLE CODE |
| H50.66 | Superior oblique muscle entrapment | NON-BILLABLE CODE |
| H50.661 | Superior oblique muscle entrapment, right eye | BILLABLE CODE |
| H50.662 | Superior oblique muscle entrapment, left eye | BILLABLE CODE |
| H50.669 | Superior oblique muscle entrapment, unspecified eye | BILLABLE CODE |
| H50.67 | Superior rectus muscle entrapment | NON-BILLABLE CODE |
| H50.671 | Superior rectus muscle entrapment, right eye | BILLABLE CODE |
| H50.672 | Superior rectus muscle entrapment, left eye | BILLABLE CODE |
| H50.679 | Superior rectus muscle entrapment, unspecified eye | BILLABLE CODE |
| H50.68 | Extraocular muscle entrapment, unspecified | NON-BILLABLE CODE |
| H50.681 | Extraocular muscle entrapment, unspecified, right eye | BILLABLE CODE |
| H50.682 | Extraocular muscle entrapment, unspecified, left eye | BILLABLE CODE |
| H50.689 | Extraocular muscle entrapment, unspecified, unspecified eye | BILLABLE CODE |
| H50.69 | Other mechanical strabismus | BILLABLE CODE |
| H50.8 | Other specified strabismus | NON-BILLABLE CODE |
| H50.81 | Duane's syndrome | NON-BILLABLE CODE |
| H50.811 | Duane's syndrome, right eye | BILLABLE CODE |
| H50.812 | Duane's syndrome, left eye | BILLABLE CODE |
| H50.89 | Other specified strabismus | BILLABLE CODE |
| H50.9 | Unspecified strabismus | BILLABLE CODE |
