1. H47 Other disorders of optic [2nd] nerve and visual pathways

    1. H47.0 Disorders of optic nerve, not elsewhere classified

      1. H47.01 Ischemic optic neuropathy

        • H47.011 Ischemic optic neuropathy, right eye
        • H47.012 Ischemic optic neuropathy, left eye
        • H47.013 Ischemic optic neuropathy, bilateral
        • H47.019 Ischemic optic neuropathy, unspecified eye
      2. H47.02 Hemorrhage in optic nerve sheath

        • H47.021 Hemorrhage in optic nerve sheath, right eye
        • H47.022 Hemorrhage in optic nerve sheath, left eye
        • H47.023 Hemorrhage in optic nerve sheath, bilateral
        • H47.029 Hemorrhage in optic nerve sheath, unspecified eye
      3. H47.03 Optic nerve hypoplasia

        • H47.031 Optic nerve hypoplasia, right eye
        • H47.032 Optic nerve hypoplasia, left eye
        • H47.033 Optic nerve hypoplasia, bilateral
        • H47.039 Optic nerve hypoplasia, unspecified eye
      4. H47.09 Other disorders of optic nerve, not elsewhere classified

        Inclusion term(s):

        • Compression of optic nerve
        • H47.091 Other disorders of optic nerve, not elsewhere classified, right eye
        • H47.092 Other disorders of optic nerve, not elsewhere classified, left eye
        • H47.093 Other disorders of optic nerve, not elsewhere classified, bilateral
        • H47.099 Other disorders of optic nerve, not elsewhere classified, unspecified eye
    2. H47.1 Papilledema

      1. H47.10 Unspecified papilledema

      2. H47.11 Papilledema associated with increased intracranial pressure

      3. H47.12 Papilledema associated with decreased ocular pressure

      4. H47.13 Papilledema associated with retinal disorder

      5. H47.14 Foster-Kennedy syndrome

        • H47.141 Foster-Kennedy syndrome, right eye
        • H47.142 Foster-Kennedy syndrome, left eye
        • H47.143 Foster-Kennedy syndrome, bilateral
        • H47.149 Foster-Kennedy syndrome, unspecified eye
    3. H47.2 Optic atrophy

      1. H47.20 Unspecified optic atrophy

      2. H47.21 Primary optic atrophy

        • H47.211 Primary optic atrophy, right eye
        • H47.212 Primary optic atrophy, left eye
        • H47.213 Primary optic atrophy, bilateral
        • H47.219 Primary optic atrophy, unspecified eye
      3. H47.22 Hereditary optic atrophy

        Inclusion term(s):

        • Leber's optic atrophy
      4. H47.23 Glaucomatous optic atrophy

        • H47.231 Glaucomatous optic atrophy, right eye
        • H47.232 Glaucomatous optic atrophy, left eye
        • H47.233 Glaucomatous optic atrophy, bilateral
        • H47.239 Glaucomatous optic atrophy, unspecified eye
      5. H47.29 Other optic atrophy

        Inclusion term(s):

        • Temporal pallor of optic disc
        • H47.291 Other optic atrophy, right eye
        • H47.292 Other optic atrophy, left eye
        • H47.293 Other optic atrophy, bilateral
        • H47.299 Other optic atrophy, unspecified eye
    4. H47.3 Other disorders of optic disc

      1. H47.31 Coloboma of optic disc

        • H47.311 Coloboma of optic disc, right eye
        • H47.312 Coloboma of optic disc, left eye
        • H47.313 Coloboma of optic disc, bilateral
        • H47.319 Coloboma of optic disc, unspecified eye
      2. H47.32 Drusen of optic disc

        • H47.321 Drusen of optic disc, right eye
        • H47.322 Drusen of optic disc, left eye
        • H47.323 Drusen of optic disc, bilateral
        • H47.329 Drusen of optic disc, unspecified eye
      3. H47.33 Pseudopapilledema of optic disc

        • H47.331 Pseudopapilledema of optic disc, right eye
        • H47.332 Pseudopapilledema of optic disc, left eye
        • H47.333 Pseudopapilledema of optic disc, bilateral
        • H47.339 Pseudopapilledema of optic disc, unspecified eye
      4. H47.39 Other disorders of optic disc

        • H47.391 Other disorders of optic disc, right eye
        • H47.392 Other disorders of optic disc, left eye
        • H47.393 Other disorders of optic disc, bilateral
        • H47.399 Other disorders of optic disc, unspecified eye
    5. H47.4 Disorders of optic chiasm

      1. H47.41 Disorders of optic chiasm in (due to) inflammatory disorders

      2. H47.42 Disorders of optic chiasm in (due to) neoplasm

      3. H47.43 Disorders of optic chiasm in (due to) vascular disorders

      4. H47.49 Disorders of optic chiasm in (due to) other disorders

    6. H47.5 Disorders of other visual pathways

      Inclusion term(s):

      • Disorders of optic tracts, geniculate nuclei and optic radiations
      1. H47.51 Disorders of visual pathways in (due to) inflammatory disorders

        • H47.511 Disorders of visual pathways in (due to) inflammatory disorders, right side
        • H47.512 Disorders of visual pathways in (due to) inflammatory disorders, left side
        • H47.519 Disorders of visual pathways in (due to) inflammatory disorders, unspecified side
      2. H47.52 Disorders of visual pathways in (due to) neoplasm

        • H47.521 Disorders of visual pathways in (due to) neoplasm, right side
        • H47.522 Disorders of visual pathways in (due to) neoplasm, left side
        • H47.529 Disorders of visual pathways in (due to) neoplasm, unspecified side
      3. H47.53 Disorders of visual pathways in (due to) vascular disorders

        • H47.531 Disorders of visual pathways in (due to) vascular disorders, right side
        • H47.532 Disorders of visual pathways in (due to) vascular disorders, left side
        • H47.539 Disorders of visual pathways in (due to) vascular disorders, unspecified side
    7. H47.6 Disorders of visual cortex

      1. H47.61 Cortical blindness

        • H47.611 Cortical blindness, right side of brain
        • H47.612 Cortical blindness, left side of brain
        • H47.619 Cortical blindness, unspecified side of brain
      2. H47.62 Disorders of visual cortex in (due to) inflammatory disorders

        • H47.621 Disorders of visual cortex in (due to) inflammatory disorders, right side of brain
        • H47.622 Disorders of visual cortex in (due to) inflammatory disorders, left side of brain
        • H47.629 Disorders of visual cortex in (due to) inflammatory disorders, unspecified side of brain
      3. H47.63 Disorders of visual cortex in (due to) neoplasm

        • H47.631 Disorders of visual cortex in (due to) neoplasm, right side of brain
        • H47.632 Disorders of visual cortex in (due to) neoplasm, left side of brain
        • H47.639 Disorders of visual cortex in (due to) neoplasm, unspecified side of brain
      4. H47.64 Disorders of visual cortex in (due to) vascular disorders

        • H47.641 Disorders of visual cortex in (due to) vascular disorders, right side of brain
        • H47.642 Disorders of visual cortex in (due to) vascular disorders, left side of brain
        • H47.649 Disorders of visual cortex in (due to) vascular disorders, unspecified side of brain
    8. H47.9 Unspecified disorder of visual pathways

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.