C69.91 Malignant neoplasm of unspecified site of right eye

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-)

Applies from C69.9 Malignant neoplasm of unspecified site of eye

Applicable to

• Malignant neoplasm of eyeball

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)

• 190.9 Malignant neoplasm of eye, part unspecified (approximate)

Nearby codes

• C69.80 Malignant neoplasm of overlapping sites of unspecified eye and adnexa
• C69.81 Malignant neoplasm of overlapping sites of right eye and adnexa
• C69.82 Malignant neoplasm of overlapping sites of left eye and adnexa
• C69.9 Malignant neoplasm of unspecified site of eye
• C69.90 Malignant neoplasm of unspecified site of unspecified eye
• C69.91 Malignant neoplasm of unspecified site of right eye (this code)
• C69.92 Malignant neoplasm of unspecified site of left eye