About Section H49-H52

Section H49-H52 covers Disorders of ocular muscles, binocular movement, accommodation and refraction within Chapter 7 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from H49 to H52. Each code below includes its description, billable status, and links to detailed coding guidelines.

Diagnosis Codes 203 entries
H49Paralytic strabismusNon-BillableH49.0Third [oculomotor] nerve palsyNon-BillableH49.00Third [oculomotor] nerve palsy, unspecified eyeBillableH49.01Third [oculomotor] nerve palsy, right eyeBillableH49.02Third [oculomotor] nerve palsy, left eyeBillableH49.03Third [oculomotor] nerve palsy, bilateralBillableH49.1Fourth [trochlear] nerve palsyNon-BillableH49.10Fourth [trochlear] nerve palsy, unspecified eyeBillableH49.11Fourth [trochlear] nerve palsy, right eyeBillableH49.12Fourth [trochlear] nerve palsy, left eyeBillableH49.13Fourth [trochlear] nerve palsy, bilateralBillableH49.2Sixth [abducent] nerve palsyNon-BillableH49.20Sixth [abducent] nerve palsy, unspecified eyeBillableH49.21Sixth [abducent] nerve palsy, right eyeBillableH49.22Sixth [abducent] nerve palsy, left eyeBillableH49.23Sixth [abducent] nerve palsy, bilateralBillableH49.3Total (external) ophthalmoplegiaNon-BillableH49.30Total (external) ophthalmoplegia, unspecified eyeBillableH49.31Total (external) ophthalmoplegia, right eyeBillableH49.32Total (external) ophthalmoplegia, left eyeBillableH49.33Total (external) ophthalmoplegia, bilateralBillableH49.4Progressive external ophthalmoplegiaNon-BillableH49.40Progressive external ophthalmoplegia, unspecified eyeBillableH49.41Progressive external ophthalmoplegia, right eyeBillableH49.42Progressive external ophthalmoplegia, left eyeBillableH49.43Progressive external ophthalmoplegia, bilateralBillableH49.8Other paralytic strabismusNon-BillableH49.81Kearns-Sayre syndromeNon-BillableH49.811Kearns-Sayre syndrome, right eyeBillableH49.812Kearns-Sayre syndrome, left eyeBillableH49.813Kearns-Sayre syndrome, bilateralBillableH49.819Kearns-Sayre syndrome, unspecified eyeBillableH49.88Other paralytic strabismusNon-BillableH49.881Other paralytic strabismus, right eyeBillableH49.882Other paralytic strabismus, left eyeBillableH49.883Other paralytic strabismus, bilateralBillableH49.889Other paralytic strabismus, unspecified eyeBillableH49.9Unspecified paralytic strabismusBillableH50Other strabismusNon-BillableH50.0EsotropiaNon-BillableH50.00Unspecified esotropiaBillableH50.01Monocular esotropiaNon-BillableH50.011Monocular esotropia, right eyeBillableH50.012Monocular esotropia, left eyeBillableH50.02Monocular esotropia with A patternNon-BillableH50.021Monocular esotropia with A pattern, right eyeBillableH50.022Monocular esotropia with A pattern, left eyeBillableH50.03Monocular esotropia with V patternNon-BillableH50.031Monocular esotropia with V pattern, right eyeBillableH50.032Monocular esotropia with V pattern, left eyeBillableH50.04Monocular esotropia with other noncomitanciesNon-BillableH50.041Monocular esotropia with other noncomitancies, right eyeBillableH50.042Monocular esotropia with other noncomitancies, left eyeBillableH50.05Alternating esotropiaBillableH50.06Alternating esotropia with A patternBillableH50.07Alternating esotropia with V patternBillableH50.08Alternating esotropia with other noncomitanciesBillableH50.1ExotropiaNon-BillableH50.10Unspecified exotropiaBillableH50.11Monocular exotropiaNon-BillableH50.111Monocular exotropia, right eyeBillableH50.112Monocular exotropia, left eyeBillableH50.12Monocular exotropia with A patternNon-BillableH50.121Monocular exotropia with A pattern, right eyeBillableH50.122Monocular exotropia with A pattern, left eyeBillableH50.13Monocular exotropia with V patternNon-BillableH50.131Monocular exotropia with V pattern, right eyeBillableH50.132Monocular exotropia with V pattern, left eyeBillableH50.14Monocular exotropia with other noncomitanciesNon-BillableH50.141Monocular exotropia with other noncomitancies, right eyeBillableH50.142Monocular exotropia with other noncomitancies, left eyeBillableH50.15Alternating exotropiaBillableH50.16Alternating exotropia with A patternBillableH50.17Alternating exotropia with V patternBillableH50.18Alternating exotropia with other noncomitanciesBillableH50.2Vertical strabismusNon-BillableH50.21Vertical strabismus, right eyeBillableH50.22Vertical strabismus, left eyeBillableH50.3Intermittent heterotropiaNon-BillableH50.30Unspecified intermittent heterotropiaBillableH50.31Intermittent monocular esotropiaNon-BillableH50.311Intermittent monocular esotropia, right eyeBillableH50.312Intermittent monocular esotropia, left eyeBillableH50.32Intermittent alternating esotropiaBillableH50.33Intermittent monocular exotropiaNon-BillableH50.331Intermittent monocular exotropia, right eyeBillableH50.332Intermittent monocular exotropia, left eyeBillableH50.34Intermittent alternating exotropiaBillableH50.4Other and unspecified heterotropiaNon-BillableH50.40Unspecified heterotropiaBillableH50.41CyclotropiaNon-BillableH50.411Cyclotropia, right eyeBillableH50.412Cyclotropia, left eyeBillableH50.42Monofixation syndromeBillableH50.43Accommodative component in esotropiaBillableH50.5HeterophoriaNon-BillableH50.50Unspecified heterophoriaBillableH50.51EsophoriaBillableH50.52ExophoriaBillableH50.53Vertical heterophoriaBillableH50.54CyclophoriaBillableH50.55Alternating heterophoriaBillableH50.6Mechanical strabismusNon-BillableH50.60Mechanical strabismus, unspecifiedBillableH50.61Brown's sheath syndromeNon-BillableH50.611Brown's sheath syndrome, right eyeBillableH50.612Brown's sheath syndrome, left eyeBillableH50.62Inferior oblique muscle entrapmentNon-BillableH50.621Inferior oblique muscle entrapment, right eyeBillableH50.622Inferior oblique muscle entrapment, left eyeBillableH50.629Inferior oblique muscle entrapment, unspecified eyeBillableH50.63Inferior rectus muscle entrapmentNon-BillableH50.631Inferior rectus muscle entrapment, right eyeBillableH50.632Inferior rectus muscle entrapment, left eyeBillableH50.639Inferior rectus muscle entrapment, unspecified eyeBillableH50.64Lateral rectus muscle entrapmentNon-BillableH50.641Lateral rectus muscle entrapment, right eyeBillableH50.642Lateral rectus muscle entrapment, left eyeBillableH50.649Lateral rectus muscle entrapment, unspecified eyeBillableH50.65Medial rectus muscle entrapmentNon-BillableH50.651Medial rectus muscle entrapment, right eyeBillableH50.652Medial rectus muscle entrapment, left eyeBillableH50.659Medial rectus muscle entrapment, unspecified eyeBillableH50.66Superior oblique muscle entrapmentNon-BillableH50.661Superior oblique muscle entrapment, right eyeBillableH50.662Superior oblique muscle entrapment, left eyeBillableH50.669Superior oblique muscle entrapment, unspecified eyeBillableH50.67Superior rectus muscle entrapmentNon-BillableH50.671Superior rectus muscle entrapment, right eyeBillableH50.672Superior rectus muscle entrapment, left eyeBillableH50.679Superior rectus muscle entrapment, unspecified eyeBillableH50.68Extraocular muscle entrapment, unspecifiedNon-BillableH50.681Extraocular muscle entrapment, unspecified, right eyeBillableH50.682Extraocular muscle entrapment, unspecified, left eyeBillableH50.689Extraocular muscle entrapment, unspecified, unspecified eyeBillableH50.69Other mechanical strabismusBillableH50.8Other specified strabismusNon-BillableH50.81Duane's syndromeNon-BillableH50.811Duane's syndrome, right eyeBillableH50.812Duane's syndrome, left eyeBillableH50.89Other specified strabismusBillableH50.9Unspecified strabismusBillableH51Other disorders of binocular movementNon-BillableH51.0Palsy (spasm) of conjugate gazeBillableH51.1Convergence insufficiency and excessNon-BillableH51.11Convergence insufficiencyBillableH51.12Convergence excessBillableH51.2Internuclear ophthalmoplegiaNon-BillableH51.20Internuclear ophthalmoplegia, unspecified eyeBillableH51.21Internuclear ophthalmoplegia, right eyeBillableH51.22Internuclear ophthalmoplegia, left eyeBillableH51.23Internuclear ophthalmoplegia, bilateralBillableH51.8Other specified disorders of binocular movementBillableH51.9Unspecified disorder of binocular movementBillableH52Disorders of refraction and accommodationNon-BillableH52.0HypermetropiaNon-BillableH52.00Hypermetropia, unspecified eyeBillableH52.01Hypermetropia, right eyeBillableH52.02Hypermetropia, left eyeBillableH52.03Hypermetropia, bilateralBillableH52.1MyopiaNon-BillableH52.10Myopia, unspecified eyeBillableH52.11Myopia, right eyeBillableH52.12Myopia, left eyeBillableH52.13Myopia, bilateralBillableH52.2AstigmatismNon-BillableH52.20Unspecified astigmatismNon-BillableH52.201Unspecified astigmatism, right eyeBillableH52.202Unspecified astigmatism, left eyeBillableH52.203Unspecified astigmatism, bilateralBillableH52.209Unspecified astigmatism, unspecified eyeBillableH52.21Irregular astigmatismNon-BillableH52.211Irregular astigmatism, right eyeBillableH52.212Irregular astigmatism, left eyeBillableH52.213Irregular astigmatism, bilateralBillableH52.219Irregular astigmatism, unspecified eyeBillableH52.22Regular astigmatismNon-BillableH52.221Regular astigmatism, right eyeBillableH52.222Regular astigmatism, left eyeBillableH52.223Regular astigmatism, bilateralBillableH52.229Regular astigmatism, unspecified eyeBillableH52.3Anisometropia and aniseikoniaNon-BillableH52.31AnisometropiaBillableH52.32AniseikoniaBillableH52.4PresbyopiaBillableH52.5Disorders of accommodationNon-BillableH52.51Internal ophthalmoplegia (complete) (total)Non-BillableH52.511Internal ophthalmoplegia (complete) (total), right eyeBillableH52.512Internal ophthalmoplegia (complete) (total), left eyeBillableH52.513Internal ophthalmoplegia (complete) (total), bilateralBillableH52.519Internal ophthalmoplegia (complete) (total), unspecified eyeBillableH52.52Paresis of accommodationNon-BillableH52.521Paresis of accommodation, right eyeBillableH52.522Paresis of accommodation, left eyeBillableH52.523Paresis of accommodation, bilateralBillableH52.529Paresis of accommodation, unspecified eyeBillableH52.53Spasm of accommodationNon-BillableH52.531Spasm of accommodation, right eyeBillableH52.532Spasm of accommodation, left eyeBillableH52.533Spasm of accommodation, bilateralBillableH52.539Spasm of accommodation, unspecified eyeBillableH52.6Other disorders of refractionBillableH52.7Unspecified disorder of refractionBillable