H18.4
Corneal degeneration
Non-billableCategory
Code Hierarchy
H18H18.4
Coding Guidelines
Excludes1 (Mutually Exclusive)
These codes should never be used together with H18.4
- Mooren's ulcer (H16.0-)
- recurrent erosion of cornea (H18.83-)
Specific Codes (8)
H18.40Billable
Unspecified corneal degeneration
H18.41Category
Arcus senilis
H18.42Category
Band keratopathy
H18.43Billable
Other calcerous corneal degeneration
H18.44Category
Keratomalacia
H18.45Category
Nodular corneal degeneration
H18.46Category
Peripheral corneal degeneration
H18.49Billable
Other corneal degeneration
Related Codes
H18.0Category
Corneal pigmentations and deposits
H18.1Category
Bullous keratopathy
H18.2Category
Other and unspecified corneal edema
H18.3Category
Changes of corneal membranes
H18.5Category
Hereditary corneal dystrophies
H18.6Category
Keratoconus
H18.7Category
Other and unspecified corneal deformities
H18.8Category
Other specified disorders of cornea
H18.9Billable
Unspecified disorder of cornea
