Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.
Applies from H46 Optic neuritis
Excludes2 (not included here)
ischemic optic neuropathy (H47.01-)
neuromyelitis optica [Devic] (G36.0)
MS-DRG index
Defines the logic of DRG(s) 123 in MDC 02.
Approximate ICD-9-CM (GEMs)
377.31 Optic papillitis (approximate)
Medicare Code Edits (MCE v43.1 (April 2026))
Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.
Code annotations containing back-references to H46.00
Back-references to H46
Type 1 Excludes: G36.0 Neuromyelitis optica [Devic] ("optic neuritis NOS (H46)")
Type 2 Excludes: G52 Disorders of other cranial nerves ("disorders of optic [2nd] nerve (H46, H47.0)")