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H21.1

H21.1: Other vascular disorders of iris and ciliary body

Non-billable headerICD-10-CM

H21.1 is a non-billable header ICD-10-CM code for other vascular disorders of iris and ciliary body. 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.

  • Neovascularization of iris or ciliary body
  • Rubeosis iridis
  • Rubeosis of iris

Excludes2 inherited from the categories above H21.1

Not part of this code, but both may be coded when both are present.

Written on H21: Other disorders of iris and ciliary body

  • sympathetic uveitis (H44.1-)

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 H21.1

1 child code. Green means billable.

Other codes under H21

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.