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H18.45

H18.45: Nodular corneal degeneration

Non-billable headerICD-10-CM

H18.45 is a non-billable header ICD-10-CM code for nodular corneal degeneration. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above H18.45

A category’s note binds every code beneath it.

Written on H18.4: Corneal degeneration

  • Mooren's ulcer (H16.0-)
  • recurrent erosion of cornea (H18.83-)

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 H18.45

4 child codes. Green means billable.

Other codes under H18.4

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.