C69.12 Malignant neoplasm of left cornea

Billable ICD-10-CM code, FY2026.

Applies from C69 Malignant neoplasm of eye and adnexa

Excludes1 (never code together)

• malignant neoplasm of connective tissue of eyelid (C49.0)
• malignant neoplasm of eyelid (skin) (C43.1-, C44.1-)
• malignant neoplasm of optic nerve (C72.3-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 23 — Prostate, Breast, and Other Cancers and Tumors
• CMS-HCC V22: HCC 12 — Breast, Prostate, and Other Cancers and Tumors
• RxHCC V08: HCC 22 — Prostate, Breast, Bladder, and Other Cancers and Tumors
• ESRD V24: HCC 12

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 190.4 Malignant neoplasm of cornea (approximate)

Nearby codes

• C69.01 Malignant neoplasm of right conjunctiva
• C69.02 Malignant neoplasm of left conjunctiva
• C69.1 Malignant neoplasm of cornea
• C69.10 Malignant neoplasm of unspecified cornea
• C69.11 Malignant neoplasm of right cornea
• C69.12 Malignant neoplasm of left cornea (this code)
• C69.2 Malignant neoplasm of retina
• C69.20 Malignant neoplasm of unspecified retina
• C69.21 Malignant neoplasm of right retina
• C69.22 Malignant neoplasm of left retina
• C69.3 Malignant neoplasm of choroid