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D31.9

D31.9: Benign neoplasm of unspecified part of eye

Non-billable headerICD-10-CMunspecified

D31.9 is a non-billable header ICD-10-CM code for benign neoplasm of unspecified part of eye. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Benign neoplasm of eyeball

Excludes1 inherited from the categories above D31.9

A category’s note binds every code beneath it.

Written on D31: Benign neoplasm of eye and adnexa

  • 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-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead D31.9

3 child codes. Green means billable.

Other codes under D31

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.