ICD-10-CM category
H18: Other disorders of cornea
Codes under H18 (Other disorders of cornea). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| H18.0 | Corneal pigmentations and deposits | — |
| H18.0 | Corneal pigmentations and deposits | — |
| H18.00 | Unspecified corneal deposit | — |
| H18.00 | Unspecified corneal deposit | — |
| H18.001 | Unspecified corneal deposit, right eye | ✓ |
| H18.001 | Unspecified corneal deposit, right eye | ✓ |
| H18.01 | Anterior corneal pigmentations | — |
| H18.01 | Anterior corneal pigmentations | — |
| H18.1 | Bullous keratopathy | — |
| H18.1 | Bullous keratopathy | — |
| H18.002 | Unspecified corneal deposit, left eye | ✓ |
| H18.002 | Unspecified corneal deposit, left eye | ✓ |
| H18.02 | Argentous corneal deposits | — |
| H18.02 | Argentous corneal deposits | — |
| H18.2 | Other and unspecified corneal edema | — |
| H18.2 | Other and unspecified corneal edema | — |
| H18.003 | Unspecified corneal deposit, bilateral | ✓ |
| H18.003 | Unspecified corneal deposit, bilateral | ✓ |
| H18.03 | Corneal deposits in metabolic disorders | — |
| H18.03 | Corneal deposits in metabolic disorders | — |
| H18.3 | Changes of corneal membranes | — |
| H18.3 | Changes of corneal membranes | — |
| H18.04 | Kayser-Fleischer ring | — |
| H18.04 | Kayser-Fleischer ring | — |
| H18.4 | Corneal degeneration | — |
| H18.4 | Corneal degeneration | — |
| H18.05 | Posterior corneal pigmentations | — |
| H18.05 | Posterior corneal pigmentations | — |
| H18.5 | Hereditary corneal dystrophies | — |
| H18.5 | Hereditary corneal dystrophies | — |
| H18.06 | Stromal corneal pigmentations | — |
| H18.06 | Stromal corneal pigmentations | — |
| H18.6 | Keratoconus | — |
| H18.6 | Keratoconus | — |
| H18.7 | Other and unspecified corneal deformities | — |
| H18.7 | Other and unspecified corneal deformities | — |
| H18.8 | Other specified disorders of cornea | — |
| H18.8 | Other specified disorders of cornea | — |
| H18.009 | Unspecified corneal deposit, unspecified eye | ✓ |
| H18.009 | Unspecified corneal deposit, unspecified eye | ✓ |
| H18.9 | Unspecified disorder of cornea | ✓ |
| H18.9 | Unspecified disorder of cornea | ✓ |
| H18.10 | Bullous keratopathy, unspecified eye | ✓ |
| H18.10 | Bullous keratopathy, unspecified eye | ✓ |
| H18.011 | Anterior corneal pigmentations, right eye | ✓ |
| H18.011 | Anterior corneal pigmentations, right eye | ✓ |
| H18.11 | Bullous keratopathy, right eye | ✓ |
| H18.11 | Bullous keratopathy, right eye | ✓ |
| H18.012 | Anterior corneal pigmentations, left eye | ✓ |
| H18.012 | Anterior corneal pigmentations, left eye | ✓ |
| H18.12 | Bullous keratopathy, left eye | ✓ |
| H18.12 | Bullous keratopathy, left eye | ✓ |
| H18.013 | Anterior corneal pigmentations, bilateral | ✓ |
| H18.013 | Anterior corneal pigmentations, bilateral | ✓ |
| H18.13 | Bullous keratopathy, bilateral | ✓ |
| H18.13 | Bullous keratopathy, bilateral | ✓ |
| H18.019 | Anterior corneal pigmentations, unspecified eye | ✓ |
| H18.019 | Anterior corneal pigmentations, unspecified eye | ✓ |
| H18.20 | Unspecified corneal edema | ✓ |
| H18.20 | Unspecified corneal edema | ✓ |
| H18.021 | Argentous corneal deposits, right eye | ✓ |
| H18.021 | Argentous corneal deposits, right eye | ✓ |
| H18.21 | Corneal edema secondary to contact lens | — |
| H18.21 | Corneal edema secondary to contact lens | — |
| H18.022 | Argentous corneal deposits, left eye | ✓ |
| H18.022 | Argentous corneal deposits, left eye | ✓ |
| H18.22 | Idiopathic corneal edema | — |
| H18.22 | Idiopathic corneal edema | — |
| H18.023 | Argentous corneal deposits, bilateral | ✓ |
| H18.023 | Argentous corneal deposits, bilateral | ✓ |
| H18.23 | Secondary corneal edema | — |
| H18.23 | Secondary corneal edema | — |
| H18.029 | Argentous corneal deposits, unspecified eye | ✓ |
| H18.029 | Argentous corneal deposits, unspecified eye | ✓ |
| H18.30 | Unspecified corneal membrane change | ✓ |
| H18.30 | Unspecified corneal membrane change | ✓ |
| H18.031 | Corneal deposits in metabolic disorders, right eye | ✓ |
| H18.031 | Corneal deposits in metabolic disorders, right eye | ✓ |
| H18.31 | Folds and rupture in Bowman's membrane | — |
| H18.31 | Folds and rupture in Bowman's membrane | — |
| H18.032 | Corneal deposits in metabolic disorders, left eye | ✓ |
| H18.032 | Corneal deposits in metabolic disorders, left eye | ✓ |
| H18.32 | Folds in Descemet's membrane | — |
| H18.32 | Folds in Descemet's membrane | — |
| H18.033 | Corneal deposits in metabolic disorders, bilateral | ✓ |
| H18.033 | Corneal deposits in metabolic disorders, bilateral | ✓ |
| H18.33 | Rupture in Descemet's membrane | — |
| H18.33 | Rupture in Descemet's membrane | — |
| H18.039 | Corneal deposits in metabolic disorders, unspecified eye | ✓ |
| H18.039 | Corneal deposits in metabolic disorders, unspecified eye | ✓ |
| H18.40 | Unspecified corneal degeneration | ✓ |
| H18.40 | Unspecified corneal degeneration | ✓ |
| H18.041 | Kayser-Fleischer ring, right eye | ✓ |
| H18.041 | Kayser-Fleischer ring, right eye | ✓ |
| H18.41 | Arcus senilis | — |
| H18.41 | Arcus senilis | — |
| H18.042 | Kayser-Fleischer ring, left eye | ✓ |
| H18.042 | Kayser-Fleischer ring, left eye | ✓ |
| H18.42 | Band keratopathy | — |
| H18.42 | Band keratopathy | — |
| H18.043 | Kayser-Fleischer ring, bilateral | ✓ |
| H18.043 | Kayser-Fleischer ring, bilateral | ✓ |
| H18.43 | Other calcerous corneal degeneration | ✓ |
| H18.43 | Other calcerous corneal degeneration | ✓ |
| H18.44 | Keratomalacia | — |
| H18.44 | Keratomalacia | — |
| H18.45 | Nodular corneal degeneration | — |
| H18.45 | Nodular corneal degeneration | — |
| H18.46 | Peripheral corneal degeneration | — |
| H18.46 | Peripheral corneal degeneration | — |
| H18.049 | Kayser-Fleischer ring, unspecified eye | ✓ |
| H18.049 | Kayser-Fleischer ring, unspecified eye | ✓ |
| H18.49 | Other corneal degeneration | ✓ |
| H18.49 | Other corneal degeneration | ✓ |
| H18.50 | Unspecified hereditary corneal dystrophies | — |
| H18.50 | Unspecified hereditary corneal dystrophies | — |
| H18.051 | Posterior corneal pigmentations, right eye | ✓ |
| H18.051 | Posterior corneal pigmentations, right eye | ✓ |
| H18.51 | Endothelial corneal dystrophy | — |
| H18.51 | Endothelial corneal dystrophy | — |
| H18.052 | Posterior corneal pigmentations, left eye | ✓ |
| H18.052 | Posterior corneal pigmentations, left eye | ✓ |
| H18.52 | Epithelial (juvenile) corneal dystrophy | — |
| H18.52 | Epithelial (juvenile) corneal dystrophy | — |
| H18.053 | Posterior corneal pigmentations, bilateral | ✓ |
| H18.053 | Posterior corneal pigmentations, bilateral | ✓ |
| H18.53 | Granular corneal dystrophy | — |
| H18.53 | Granular corneal dystrophy | — |
| H18.54 | Lattice corneal dystrophy | — |
| H18.54 | Lattice corneal dystrophy | — |
| H18.55 | Macular corneal dystrophy | — |
| H18.55 | Macular corneal dystrophy | — |
| H18.059 | Posterior corneal pigmentations, unspecified eye | ✓ |
| H18.059 | Posterior corneal pigmentations, unspecified eye | ✓ |
| H18.59 | Other hereditary corneal dystrophies | — |
| H18.59 | Other hereditary corneal dystrophies | — |
| H18.60 | Keratoconus, unspecified | — |
| H18.60 | Keratoconus, unspecified | — |
| H18.061 | Stromal corneal pigmentations, right eye | ✓ |
| H18.061 | Stromal corneal pigmentations, right eye | ✓ |
| H18.61 | Keratoconus, stable | — |
| H18.61 | Keratoconus, stable | — |
| H18.062 | Stromal corneal pigmentations, left eye | ✓ |
| H18.062 | Stromal corneal pigmentations, left eye | ✓ |
| H18.62 | Keratoconus, unstable | — |
| H18.62 | Keratoconus, unstable | — |
| H18.063 | Stromal corneal pigmentations, bilateral | ✓ |
| H18.063 | Stromal corneal pigmentations, bilateral | ✓ |
| H18.069 | Stromal corneal pigmentations, unspecified eye | ✓ |
| H18.069 | Stromal corneal pigmentations, unspecified eye | ✓ |
| H18.70 | Unspecified corneal deformity | ✓ |
| H18.70 | Unspecified corneal deformity | ✓ |
| H18.71 | Corneal ectasia | — |
| H18.71 | Corneal ectasia | — |
| H18.72 | Corneal staphyloma | — |
| H18.72 | Corneal staphyloma | — |
| H18.73 | Descemetocele | — |
| H18.73 | Descemetocele | — |
| H18.79 | Other corneal deformities | — |
| H18.79 | Other corneal deformities | — |
| H18.81 | Anesthesia and hypoesthesia of cornea | — |
| H18.81 | Anesthesia and hypoesthesia of cornea | — |
| H18.82 | Corneal disorder due to contact lens | — |
| H18.82 | Corneal disorder due to contact lens | — |
| H18.83 | Recurrent erosion of cornea | — |
| H18.83 | Recurrent erosion of cornea | — |
| H18.89 | Other specified disorders of cornea | — |
| H18.89 | Other specified disorders of cornea | — |
| H18.211 | Corneal edema secondary to contact lens, right eye | ✓ |
| H18.211 | Corneal edema secondary to contact lens, right eye | ✓ |
| H18.212 | Corneal edema secondary to contact lens, left eye | ✓ |
| H18.212 | Corneal edema secondary to contact lens, left eye | ✓ |
| H18.213 | Corneal edema secondary to contact lens, bilateral | ✓ |
| H18.213 | Corneal edema secondary to contact lens, bilateral | ✓ |
| H18.219 | Corneal edema secondary to contact lens, unspecified eye | ✓ |
| H18.219 | Corneal edema secondary to contact lens, unspecified eye | ✓ |
| H18.221 | Idiopathic corneal edema, right eye | ✓ |
| H18.221 | Idiopathic corneal edema, right eye | ✓ |
| H18.222 | Idiopathic corneal edema, left eye | ✓ |
| H18.222 | Idiopathic corneal edema, left eye | ✓ |
| H18.223 | Idiopathic corneal edema, bilateral | ✓ |
| H18.223 | Idiopathic corneal edema, bilateral | ✓ |
| H18.229 | Idiopathic corneal edema, unspecified eye | ✓ |
| H18.229 | Idiopathic corneal edema, unspecified eye | ✓ |
| H18.231 | Secondary corneal edema, right eye | ✓ |
| H18.231 | Secondary corneal edema, right eye | ✓ |
| H18.232 | Secondary corneal edema, left eye | ✓ |
| H18.232 | Secondary corneal edema, left eye | ✓ |
| H18.233 | Secondary corneal edema, bilateral | ✓ |
| H18.233 | Secondary corneal edema, bilateral | ✓ |
| H18.239 | Secondary corneal edema, unspecified eye | ✓ |
| H18.239 | Secondary corneal edema, unspecified eye | ✓ |
| H18.311 | Folds and rupture in Bowman's membrane, right eye | ✓ |
| H18.311 | Folds and rupture in Bowman's membrane, right eye | ✓ |
| H18.312 | Folds and rupture in Bowman's membrane, left eye | ✓ |
| H18.312 | Folds and rupture in Bowman's membrane, left eye | ✓ |
| H18.313 | Folds and rupture in Bowman's membrane, bilateral | ✓ |
| H18.313 | Folds and rupture in Bowman's membrane, bilateral | ✓ |
| H18.319 | Folds and rupture in Bowman's membrane, unspecified eye | ✓ |
| H18.319 | Folds and rupture in Bowman's membrane, unspecified eye | ✓ |
| H18.321 | Folds in Descemet's membrane, right eye | ✓ |
| H18.321 | Folds in Descemet's membrane, right eye | ✓ |
| H18.322 | Folds in Descemet's membrane, left eye | ✓ |
| H18.322 | Folds in Descemet's membrane, left eye | ✓ |
| H18.323 | Folds in Descemet's membrane, bilateral | ✓ |
| H18.323 | Folds in Descemet's membrane, bilateral | ✓ |
| H18.329 | Folds in Descemet's membrane, unspecified eye | ✓ |
| H18.329 | Folds in Descemet's membrane, unspecified eye | ✓ |
| H18.331 | Rupture in Descemet's membrane, right eye | ✓ |
| H18.331 | Rupture in Descemet's membrane, right eye | ✓ |
| H18.332 | Rupture in Descemet's membrane, left eye | ✓ |
| H18.332 | Rupture in Descemet's membrane, left eye | ✓ |
| H18.333 | Rupture in Descemet's membrane, bilateral | ✓ |
| H18.333 | Rupture in Descemet's membrane, bilateral | ✓ |
| H18.339 | Rupture in Descemet's membrane, unspecified eye | ✓ |
| H18.339 | Rupture in Descemet's membrane, unspecified eye | ✓ |
| H18.411 | Arcus senilis, right eye | ✓ |
| H18.411 | Arcus senilis, right eye | ✓ |
| H18.412 | Arcus senilis, left eye | ✓ |
| H18.412 | Arcus senilis, left eye | ✓ |
| H18.413 | Arcus senilis, bilateral | ✓ |
| H18.413 | Arcus senilis, bilateral | ✓ |
| H18.419 | Arcus senilis, unspecified eye | ✓ |
| H18.419 | Arcus senilis, unspecified eye | ✓ |
| H18.421 | Band keratopathy, right eye | ✓ |
| H18.421 | Band keratopathy, right eye | ✓ |
| H18.422 | Band keratopathy, left eye | ✓ |
| H18.422 | Band keratopathy, left eye | ✓ |
| H18.423 | Band keratopathy, bilateral | ✓ |
| H18.423 | Band keratopathy, bilateral | ✓ |
| H18.429 | Band keratopathy, unspecified eye | ✓ |
| H18.429 | Band keratopathy, unspecified eye | ✓ |
| H18.441 | Keratomalacia, right eye | ✓ |
| H18.441 | Keratomalacia, right eye | ✓ |
| H18.442 | Keratomalacia, left eye | ✓ |
| H18.442 | Keratomalacia, left eye | ✓ |
| H18.443 | Keratomalacia, bilateral | ✓ |
| H18.443 | Keratomalacia, bilateral | ✓ |
| H18.449 | Keratomalacia, unspecified eye | ✓ |
| H18.449 | Keratomalacia, unspecified eye | ✓ |
| H18.451 | Nodular corneal degeneration, right eye | ✓ |
| H18.451 | Nodular corneal degeneration, right eye | ✓ |
| H18.452 | Nodular corneal degeneration, left eye | ✓ |
| H18.452 | Nodular corneal degeneration, left eye | ✓ |
| H18.453 | Nodular corneal degeneration, bilateral | ✓ |
| H18.453 | Nodular corneal degeneration, bilateral | ✓ |
| H18.459 | Nodular corneal degeneration, unspecified eye | ✓ |
| H18.459 | Nodular corneal degeneration, unspecified eye | ✓ |
| H18.461 | Peripheral corneal degeneration, right eye | ✓ |
| H18.461 | Peripheral corneal degeneration, right eye | ✓ |
| H18.462 | Peripheral corneal degeneration, left eye | ✓ |
| H18.462 | Peripheral corneal degeneration, left eye | ✓ |
| H18.463 | Peripheral corneal degeneration, bilateral | ✓ |
| H18.463 | Peripheral corneal degeneration, bilateral | ✓ |
| H18.469 | Peripheral corneal degeneration, unspecified eye | ✓ |
| H18.469 | Peripheral corneal degeneration, unspecified eye | ✓ |
| H18.501 | Unspecified hereditary corneal dystrophies, right eye | ✓ |
| H18.501 | Unspecified hereditary corneal dystrophies, right eye | ✓ |
| H18.502 | Unspecified hereditary corneal dystrophies, left eye | ✓ |
| H18.502 | Unspecified hereditary corneal dystrophies, left eye | ✓ |
| H18.503 | Unspecified hereditary corneal dystrophies, bilateral | ✓ |
| H18.503 | Unspecified hereditary corneal dystrophies, bilateral | ✓ |
| H18.509 | Unspecified hereditary corneal dystrophies, unspecified eye | ✓ |
| H18.509 | Unspecified hereditary corneal dystrophies, unspecified eye | ✓ |
| H18.511 | Endothelial corneal dystrophy, right eye | ✓ |
| H18.511 | Endothelial corneal dystrophy, right eye | ✓ |
| H18.512 | Endothelial corneal dystrophy, left eye | ✓ |
| H18.512 | Endothelial corneal dystrophy, left eye | ✓ |
| H18.513 | Endothelial corneal dystrophy, bilateral | ✓ |
| H18.513 | Endothelial corneal dystrophy, bilateral | ✓ |
| H18.519 | Endothelial corneal dystrophy, unspecified eye | ✓ |
| H18.519 | Endothelial corneal dystrophy, unspecified eye | ✓ |
| H18.521 | Epithelial (juvenile) corneal dystrophy, right eye | ✓ |
| H18.521 | Epithelial (juvenile) corneal dystrophy, right eye | ✓ |
| H18.522 | Epithelial (juvenile) corneal dystrophy, left eye | ✓ |
| H18.522 | Epithelial (juvenile) corneal dystrophy, left eye | ✓ |
| H18.523 | Epithelial (juvenile) corneal dystrophy, bilateral | ✓ |
| H18.523 | Epithelial (juvenile) corneal dystrophy, bilateral | ✓ |
| H18.529 | Epithelial (juvenile) corneal dystrophy, unspecified eye | ✓ |
| H18.529 | Epithelial (juvenile) corneal dystrophy, unspecified eye | ✓ |
| H18.531 | Granular corneal dystrophy, right eye | ✓ |
| H18.531 | Granular corneal dystrophy, right eye | ✓ |
| H18.532 | Granular corneal dystrophy, left eye | ✓ |
| H18.532 | Granular corneal dystrophy, left eye | ✓ |
| H18.533 | Granular corneal dystrophy, bilateral | ✓ |
| H18.533 | Granular corneal dystrophy, bilateral | ✓ |
| H18.539 | Granular corneal dystrophy, unspecified eye | ✓ |
| H18.539 | Granular corneal dystrophy, unspecified eye | ✓ |
| H18.541 | Lattice corneal dystrophy, right eye | ✓ |
| H18.541 | Lattice corneal dystrophy, right eye | ✓ |
| H18.542 | Lattice corneal dystrophy, left eye | ✓ |
| H18.542 | Lattice corneal dystrophy, left eye | ✓ |
| H18.543 | Lattice corneal dystrophy, bilateral | ✓ |
| H18.543 | Lattice corneal dystrophy, bilateral | ✓ |
| H18.549 | Lattice corneal dystrophy, unspecified eye | ✓ |
| H18.549 | Lattice corneal dystrophy, unspecified eye | ✓ |
| H18.551 | Macular corneal dystrophy, right eye | ✓ |
| H18.551 | Macular corneal dystrophy, right eye | ✓ |
| H18.552 | Macular corneal dystrophy, left eye | ✓ |
| H18.552 | Macular corneal dystrophy, left eye | ✓ |
| H18.553 | Macular corneal dystrophy, bilateral | ✓ |
| H18.553 | Macular corneal dystrophy, bilateral | ✓ |
| H18.559 | Macular corneal dystrophy, unspecified eye | ✓ |
| H18.559 | Macular corneal dystrophy, unspecified eye | ✓ |
| H18.591 | Other hereditary corneal dystrophies, right eye | ✓ |
| H18.591 | Other hereditary corneal dystrophies, right eye | ✓ |
| H18.592 | Other hereditary corneal dystrophies, left eye | ✓ |
| H18.592 | Other hereditary corneal dystrophies, left eye | ✓ |
| H18.593 | Other hereditary corneal dystrophies, bilateral | ✓ |
| H18.593 | Other hereditary corneal dystrophies, bilateral | ✓ |
| H18.599 | Other hereditary corneal dystrophies, unspecified eye | ✓ |
| H18.599 | Other hereditary corneal dystrophies, unspecified eye | ✓ |
| H18.601 | Keratoconus, unspecified, right eye | ✓ |
| H18.601 | Keratoconus, unspecified, right eye | ✓ |
| H18.602 | Keratoconus, unspecified, left eye | ✓ |
| H18.602 | Keratoconus, unspecified, left eye | ✓ |
| H18.603 | Keratoconus, unspecified, bilateral | ✓ |
| H18.603 | Keratoconus, unspecified, bilateral | ✓ |
| H18.609 | Keratoconus, unspecified, unspecified eye | ✓ |
| H18.609 | Keratoconus, unspecified, unspecified eye | ✓ |
| H18.611 | Keratoconus, stable, right eye | ✓ |
| H18.611 | Keratoconus, stable, right eye | ✓ |
| H18.612 | Keratoconus, stable, left eye | ✓ |
| H18.612 | Keratoconus, stable, left eye | ✓ |
| H18.613 | Keratoconus, stable, bilateral | ✓ |
| H18.613 | Keratoconus, stable, bilateral | ✓ |
| H18.619 | Keratoconus, stable, unspecified eye | ✓ |
| H18.619 | Keratoconus, stable, unspecified eye | ✓ |
| H18.621 | Keratoconus, unstable, right eye | ✓ |
| H18.621 | Keratoconus, unstable, right eye | ✓ |
| H18.622 | Keratoconus, unstable, left eye | ✓ |
| H18.622 | Keratoconus, unstable, left eye | ✓ |
| H18.623 | Keratoconus, unstable, bilateral | ✓ |
| H18.623 | Keratoconus, unstable, bilateral | ✓ |
| H18.629 | Keratoconus, unstable, unspecified eye | ✓ |
| H18.629 | Keratoconus, unstable, unspecified eye | ✓ |
| H18.711 | Corneal ectasia, right eye | ✓ |
| H18.711 | Corneal ectasia, right eye | ✓ |
| H18.712 | Corneal ectasia, left eye | ✓ |
| H18.712 | Corneal ectasia, left eye | ✓ |
| H18.713 | Corneal ectasia, bilateral | ✓ |
| H18.713 | Corneal ectasia, bilateral | ✓ |
| H18.719 | Corneal ectasia, unspecified eye | ✓ |
| H18.719 | Corneal ectasia, unspecified eye | ✓ |
| H18.721 | Corneal staphyloma, right eye | ✓ |
| H18.721 | Corneal staphyloma, right eye | ✓ |
| H18.722 | Corneal staphyloma, left eye | ✓ |
| H18.722 | Corneal staphyloma, left eye | ✓ |
| H18.723 | Corneal staphyloma, bilateral | ✓ |
| H18.723 | Corneal staphyloma, bilateral | ✓ |
| H18.729 | Corneal staphyloma, unspecified eye | ✓ |
| H18.729 | Corneal staphyloma, unspecified eye | ✓ |
| H18.731 | Descemetocele, right eye | ✓ |
| H18.731 | Descemetocele, right eye | ✓ |
| H18.732 | Descemetocele, left eye | ✓ |
| H18.732 | Descemetocele, left eye | ✓ |
| H18.733 | Descemetocele, bilateral | ✓ |
| H18.733 | Descemetocele, bilateral | ✓ |
| H18.739 | Descemetocele, unspecified eye | ✓ |
| H18.739 | Descemetocele, unspecified eye | ✓ |
| H18.791 | Other corneal deformities, right eye | ✓ |
| H18.791 | Other corneal deformities, right eye | ✓ |
| H18.792 | Other corneal deformities, left eye | ✓ |
| H18.792 | Other corneal deformities, left eye | ✓ |
| H18.793 | Other corneal deformities, bilateral | ✓ |
| H18.793 | Other corneal deformities, bilateral | ✓ |
| H18.799 | Other corneal deformities, unspecified eye | ✓ |
| H18.799 | Other corneal deformities, unspecified eye | ✓ |
| H18.811 | Anesthesia and hypoesthesia of cornea, right eye | ✓ |
| H18.811 | Anesthesia and hypoesthesia of cornea, right eye | ✓ |
| H18.812 | Anesthesia and hypoesthesia of cornea, left eye | ✓ |
| H18.812 | Anesthesia and hypoesthesia of cornea, left eye | ✓ |
| H18.813 | Anesthesia and hypoesthesia of cornea, bilateral | ✓ |
| H18.813 | Anesthesia and hypoesthesia of cornea, bilateral | ✓ |
| H18.819 | Anesthesia and hypoesthesia of cornea, unspecified eye | ✓ |
| H18.819 | Anesthesia and hypoesthesia of cornea, unspecified eye | ✓ |
| H18.821 | Corneal disorder due to contact lens, right eye | ✓ |
| H18.821 | Corneal disorder due to contact lens, right eye | ✓ |
| H18.822 | Corneal disorder due to contact lens, left eye | ✓ |
| H18.822 | Corneal disorder due to contact lens, left eye | ✓ |
| H18.823 | Corneal disorder due to contact lens, bilateral | ✓ |
| H18.823 | Corneal disorder due to contact lens, bilateral | ✓ |
| H18.829 | Corneal disorder due to contact lens, unspecified eye | ✓ |
| H18.829 | Corneal disorder due to contact lens, unspecified eye | ✓ |
| H18.831 | Recurrent erosion of cornea, right eye | ✓ |
| H18.831 | Recurrent erosion of cornea, right eye | ✓ |
| H18.832 | Recurrent erosion of cornea, left eye | ✓ |
| H18.832 | Recurrent erosion of cornea, left eye | ✓ |
| H18.833 | Recurrent erosion of cornea, bilateral | ✓ |
| H18.833 | Recurrent erosion of cornea, bilateral | ✓ |
| H18.839 | Recurrent erosion of cornea, unspecified eye | ✓ |
| H18.839 | Recurrent erosion of cornea, unspecified eye | ✓ |
| H18.891 | Other specified disorders of cornea, right eye | ✓ |
| H18.891 | Other specified disorders of cornea, right eye | ✓ |
| H18.892 | Other specified disorders of cornea, left eye | ✓ |
| H18.892 | Other specified disorders of cornea, left eye | ✓ |
| H18.893 | Other specified disorders of cornea, bilateral | ✓ |
| H18.893 | Other specified disorders of cornea, bilateral | ✓ |
| H18.899 | Other specified disorders of cornea, unspecified eye | ✓ |
| H18.899 | Other specified disorders of cornea, unspecified eye | ✓ |
Frequently asked questions
What is ICD-10-CM code H18?
H18 is an ICD-10-CM category covering Other disorders of cornea. It contains 400 more specific diagnosis codes, 310 of which are billable.
Is H18 a billable code?
No — H18 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example H18.0 — Corneal pigmentations and deposits). 310 of the 400 codes under H18 are billable.
What codes fall under H18?
H18 includes H18.0, H18.0, H18.00, H18.00, H18.001, plus 395 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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