H05.312 Atrophy of left orbit

Billable ICD-10-CM code, FY2026.

Applies from H05 Disorders of orbit

Excludes1 (never code together)

• congenital malformation of orbit (Q10.7)

Applies from H05.3 Deformity of orbit

Excludes1 (never code together)

• congenital deformity of orbit (Q10.7)
• hypertelorism (Q75.2)

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 376.45 Atrophy of orbit (approximate)

Nearby codes

• H05.269 Pulsating exophthalmos, unspecified eye
• H05.3 Deformity of orbit
• H05.30 Unspecified deformity of orbit
• H05.31 Atrophy of orbit
• H05.311 Atrophy of right orbit
• H05.312 Atrophy of left orbit (this code)
• H05.313 Atrophy of bilateral orbit
• H05.319 Atrophy of unspecified orbit
• H05.32 Deformity of orbit due to bone disease
• H05.321 Deformity of right orbit due to bone disease
• H05.322 Deformity of left orbit due to bone disease