D31.12 Benign neoplasm of left cornea

Billable ICD-10-CM code, FY2026.

Applies from D31 Benign neoplasm of eye and adnexa

Excludes1 (never code together)

• benign neoplasm of connective tissue of eyelid (D21.0)
• benign neoplasm of optic nerve (D33.3)
• benign neoplasm of skin of eyelid (D22.1-, D23.1-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 224.4 Benign neoplasm of cornea (approximate)

Nearby codes

• D31.01 Benign neoplasm of right conjunctiva
• D31.02 Benign neoplasm of left conjunctiva
• D31.1 Benign neoplasm of cornea
• D31.10 Benign neoplasm of unspecified cornea
• D31.11 Benign neoplasm of right cornea
• D31.12 Benign neoplasm of left cornea (this code)
• D31.2 Benign neoplasm of retina
• D31.20 Benign neoplasm of unspecified retina
• D31.21 Benign neoplasm of right retina
• D31.22 Benign neoplasm of left retina
• D31.3 Benign neoplasm of choroid