H47.20 Unspecified optic atrophy

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 123 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 377.10 Optic atrophy, unspecified

Diagnosis Index entries for H47.20

• Atrophy, atrophic (of) › nerve › cranial › second (optic)
• Atrophy, atrophic (of) › optic (nerve)

Nearby codes

• 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
• H47.2 Optic atrophy
• H47.20 Unspecified optic atrophy (this code)
• 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