H18
H18: Other disorders of cornea
Non-billable headerICD-10-CM
H18 is a non-billable header ICD-10-CM code for other disorders of cornea. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with H18
Their own Excludes1 notes name this code, so the conflict is not listed above.
- H18.4Corneal degeneration
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
10 child codes. Green means billable.
- H18.0Corneal pigmentations and deposits
- H18.1Bullous keratopathy
- H18.2Other and unspecified corneal edema
- H18.3Changes of corneal membranes
- H18.4Corneal degeneration
- H18.5Hereditary corneal dystrophies
- H18.6Keratoconus
- H18.7Other and unspecified corneal deformities
- H18.8Other specified disorders of cornea
- H18.9Unspecified disorder of cornea