D31.91 Benign neoplasm of unspecified part of right eye

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-)

Applies from D31.9 Benign neoplasm of unspecified part of eye

Applicable to

• Benign neoplasm of eyeball

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 224.8 Benign neoplasm of other specified parts of eye (approximate)
• 224.9 Benign neoplasm of eye, part unspecified (approximate)

Nearby codes

• D31.60 Benign neoplasm of unspecified site of unspecified orbit
• D31.61 Benign neoplasm of unspecified site of right orbit
• D31.62 Benign neoplasm of unspecified site of left orbit
• D31.9 Benign neoplasm of unspecified part of eye
• D31.90 Benign neoplasm of unspecified part of unspecified eye
• D31.91 Benign neoplasm of unspecified part of right eye (this code)
• D31.92 Benign neoplasm of unspecified part of left eye