Excludes2

  • nystagmus and other irregular eye movements (H55)
  1. H49 Paralytic strabismus

    1. H49.0 Third [oculomotor] nerve palsy

      1. H49.00 Third [oculomotor] nerve palsy, unspecified eye

      2. H49.01 Third [oculomotor] nerve palsy, right eye

      3. H49.02 Third [oculomotor] nerve palsy, left eye

      4. H49.03 Third [oculomotor] nerve palsy, bilateral

    2. H49.1 Fourth [trochlear] nerve palsy

      1. H49.10 Fourth [trochlear] nerve palsy, unspecified eye

      2. H49.11 Fourth [trochlear] nerve palsy, right eye

      3. H49.12 Fourth [trochlear] nerve palsy, left eye

      4. H49.13 Fourth [trochlear] nerve palsy, bilateral

    3. H49.2 Sixth [abducent] nerve palsy

      1. H49.20 Sixth [abducent] nerve palsy, unspecified eye

      2. H49.21 Sixth [abducent] nerve palsy, right eye

      3. H49.22 Sixth [abducent] nerve palsy, left eye

      4. H49.23 Sixth [abducent] nerve palsy, bilateral

    4. H49.3 Total (external) ophthalmoplegia

      1. H49.30 Total (external) ophthalmoplegia, unspecified eye

      2. H49.31 Total (external) ophthalmoplegia, right eye

      3. H49.32 Total (external) ophthalmoplegia, left eye

      4. H49.33 Total (external) ophthalmoplegia, bilateral

    5. H49.4 Progressive external ophthalmoplegia

      1. H49.40 Progressive external ophthalmoplegia, unspecified eye

      2. H49.41 Progressive external ophthalmoplegia, right eye

      3. H49.42 Progressive external ophthalmoplegia, left eye

      4. H49.43 Progressive external ophthalmoplegia, bilateral

    6. H49.8 Other paralytic strabismus

      1. H49.81 Kearns-Sayre syndrome

        Inclusion term(s):

        • Progressive external ophthalmoplegia with pigmentary retinopathy
        • H49.811 Kearns-Sayre syndrome, right eye
        • H49.812 Kearns-Sayre syndrome, left eye
        • H49.813 Kearns-Sayre syndrome, bilateral
        • H49.819 Kearns-Sayre syndrome, unspecified eye
      2. H49.88 Other paralytic strabismus

        Inclusion term(s):

        • External ophthalmoplegia NOS
        • H49.881 Other paralytic strabismus, right eye
        • H49.882 Other paralytic strabismus, left eye
        • H49.883 Other paralytic strabismus, bilateral
        • H49.889 Other paralytic strabismus, unspecified eye
    7. H49.9 Unspecified paralytic strabismus

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.