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453 Nodular corneal degeneration, bilateral
- H18.459 Nodular corneal degeneration, unspecified eye
- H18.46 Peripheral corneal degeneration
- H18.461 Peripheral corneal degeneration, right eye
- H18.462 Peripheral corneal degeneration, left eye
- H18.463 Peripheral corneal degeneration, bilateral
- H18.469 Peripheral corneal degeneration, unspecified eye
- H18.49 Other corneal degeneration
- H18.5 Hereditary corneal dystrophies
- H18.50 Unspecified hereditary corneal dystrophies
- H18.51 Endothelial corneal dystrophy
- Fuchs' dystrophy
- H18.52 Epithelial (juvenile) corneal dystrophy
- H18.53 Granular corneal dystrophy
- H18.54 Lattice corneal dystrophy
- H18.55 Macular corneal dystrophy
- H18.59 Other hereditary corneal dystrophies
- H18.6 Keratoconus
- H18.60 Keratoconus, unspecified
- H18.601 Keratoconus, unspecified, right eye
- H18.602 Keratoconus, unspecified, left eye
- H18.603 Keratoconus, unspecified, bilateral
- H18.609 Keratoconus, unspecified, unspecified eye
- H18.61 Keratoconus, stable
- H18.611 Keratoconus, stable, right eye
- H18.612 Keratoconus, stable, left eye
- H18.613 Keratoconus, stable, bilateral
- H18.619 Keratoconus, stable, unspecified eye
- H18.62 Keratoconus, unstable
- Acute hydrops
- H18.621 Keratoconus, unstable, right eye
- H18.622 Keratoconus, unstable, left eye
- H18.623 Keratoconus, unstable, bilateral
- H18.629 Keratoconus, unstable, unspecified eye
- H18.60 Keratoconus, unspecified
- H18.7 Other and unspecified corneal deformities
- Excludes1: congenital malformations of cornea (Q13.3-Q13.4)
- H18.70 Unspecified corneal deformity
- H18.71 Corneal ectasia
- H18.711 Corneal ectasia, right eye
- H18.712 Corneal ectasia, left eye
- H18.713 Corneal ectasia, bilateral
- H18.719 Corneal ectasia, unspecified eye
- H18.72 Corneal staphyloma
- H18.721 Corneal staphyloma, right eye
- H18.