Chapter VII
Diseases of the eye and adnexa
(H00-H59)

Disorders of optic nerve and visual pathways
(H46-H48)

H46 Optic neuritis

Incl.:
Optic
  • neuropathy, except ischaemic
  • papillitis
Retrobulbar neuritis NOS
Excl.:
ischaemic optic neuropathy ( H47.0)
neuromyelitis optica [Devic] ( G36.0)

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

H47.0 Disorders of optic nerve, not elsewhere classified
Incl.:
Compression of optic nerve
Haemorrhage in optic nerve sheath
Ischaemic optic neuropathy
H47.1 Papilloedema, unspecified
H47.2 Optic atrophy
Incl.:
Temporal pallor of optic disc
H47.3 Other disorders of optic disc
Incl.:
Drusen of optic disc
Pseudopapilloedema
H47.4 Disorders of optic chiasm
H47.5 Disorders of other visual pathways
Incl.:
Disorders of optic tracts, geniculate nuclei and optic radiations
H47.6 Disorders of visual cortex
H47.7 Disorder of visual pathways, unspecified

H48* Disorders of optic [2nd] nerve and visual pathways in diseases classified elsewhere

H48.0* Optic atrophy in diseases classified elsewhere
Incl.:
Optic atrophy in late syphilis ( A52.1†)
H48.1* Retrobulbar neuritis in diseases classified elsewhere
Incl.:
Retrobulbar neuritis in:
H48.8* Other disorders of optic nerve and visual pathways in diseases classified elsewhere