ICD-10/C69.1

C69.1 ICD 2026 Code: Malignant neoplasm of cornea

C69.1 is the authoritative medical code for Malignant neoplasm of cornea. This classification is used in medical billing and clinical recording to specify the clinical criteria for malignant neoplasm of cornea (ICD-10-CM C69.1), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Malignant neoplasm of cornea is a non-billable ICD-10-CM category code C69.1. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): 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-.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for C69.1 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • 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-

Frequently Asked Questions (FAQ) & Clinical Guidance

Can C69.1 be billed directly?

No. C69.1 (Malignant neoplasm of cornea) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

What can't be coded together with C69.1?

Per official ICD-10-CM Excludes1 instructions, C69.1 must not be reported together with: 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-).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to C69.1 in its code family, with their registry titles.

  • C69 — Malignant neoplasm of eye and adnexa
  • C69-C72 — Malignant neoplasms of eye, brain and other parts of central nervous system (C69-C72)
  • C69.0 — Malignant neoplasm of conjunctiva
  • C69.00 — Malignant neoplasm of unspecified conjunctiva
  • C69.01 — Malignant neoplasm of right conjunctiva
  • C69.02 — Malignant neoplasm of left conjunctiva
  • C69.10 — Malignant neoplasm of unspecified cornea
  • C69.11 — Malignant neoplasm of right cornea
  • C69.12 — Malignant neoplasm of left cornea
  • C69.2 — Malignant neoplasm of retina

View all 37 codes in the C69 family

Neoplasm Table Sites (2)

Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.

  • Neoplasm, neoplastic, cornea (limbus) — Malignant, Primary
  • Neoplasm, neoplastic, limbus of cornea — Malignant, Primary