H47.212 Primary optic atrophy, left eye

Billable ICD-10-CM code, FY2026.

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 377.11 Primary optic atrophy (approximate)

Code annotations containing back-references to H47.212

Back-references to H47.21

• Type 1 Excludes: G71.3 Mitochondrial myopathy, not elsewhere classified ("Leber's disease (H47.21)")

Nearby codes

• H47.149 Foster-Kennedy syndrome, unspecified eye
• H47.2 Optic atrophy
• H47.20 Unspecified optic atrophy
• H47.21 Primary optic atrophy
• H47.211 Primary optic atrophy, right eye
• H47.212 Primary optic atrophy, left eye (this code)
• H47.213 Primary optic atrophy, bilateral
• H47.219 Primary optic atrophy, unspecified eye
• H47.22 Hereditary optic atrophy
• H47.23 Glaucomatous optic atrophy
• H47.231 Glaucomatous optic atrophy, right eye