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649 Disorders of visual cortex in (due to) vascular disorders, unspecified side of brain

H47.9 Unspecified disorder of visual pathways

Disorders of ocular muscles, binocular movement, accommodation and refraction (H49-H52)

Excludes2: nystagmus and other irregular eye movements (H55)

H49 Paralytic strabismus

Excludes2: internal ophthalmoplegia (H52.51-)

internuclear ophthalmoplegia (H51.2-)

progressive supranuclear ophthalmoplegia (G23.1)

H49.0 Third [oculomotor] nerve palsy

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

H49.1 Fourth [trochlear] nerve palsy

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

H49.2 Sixth [abducent] nerve palsy

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

H49.3 Total (external) ophthalmoplegia

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

H49.4 Progressive external ophthalmoplegia

Excludes1: Kearns-Sayre syndrome (H49.81-)

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

H49.8 Other paralytic strabismus

H49.81 Kearns-Sayre syndrome

Progressive external ophthalmoplegia with pigmentary retinopathy

Use additional code for other manifestation, such as:

heart block (I45.9)

H49.