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 | — |
| H18.00 | Unspecified corneal deposit | — |
| H18.001 | Unspecified corneal deposit, right eye | ✓ |
| H18.01 | Anterior corneal pigmentations | — |
| H18.1 | Bullous keratopathy | — |
| H18.002 | Unspecified corneal deposit, left eye | ✓ |
| H18.02 | Argentous corneal deposits | — |
| H18.2 | Other and unspecified corneal edema | — |
| H18.003 | Unspecified corneal deposit, bilateral | ✓ |
| H18.03 | Corneal deposits in metabolic disorders | — |
| H18.3 | Changes of corneal membranes | — |
| H18.04 | Kayser-Fleischer ring | — |
| H18.4 | Corneal degeneration | — |
| H18.05 | Posterior corneal pigmentations | — |
| H18.5 | Hereditary corneal dystrophies | — |
| H18.06 | Stromal corneal pigmentations | — |
| H18.6 | Keratoconus | — |
| H18.7 | Other and unspecified corneal deformities | — |
| H18.8 | Other specified disorders of cornea | — |
| H18.009 | Unspecified corneal deposit, unspecified eye | ✓ |
| H18.9 | Unspecified disorder of cornea | ✓ |
| H18.10 | Bullous keratopathy, unspecified eye | ✓ |
| H18.011 | Anterior corneal pigmentations, right eye | ✓ |
| H18.11 | Bullous keratopathy, right eye | ✓ |
| H18.012 | Anterior corneal pigmentations, left eye | ✓ |
| H18.12 | Bullous keratopathy, left eye | ✓ |
| H18.013 | Anterior corneal pigmentations, bilateral | ✓ |
| H18.13 | Bullous keratopathy, bilateral | ✓ |
| H18.019 | Anterior corneal pigmentations, unspecified eye | ✓ |
| H18.20 | Unspecified corneal edema | ✓ |
| H18.021 | Argentous corneal deposits, right eye | ✓ |
| H18.21 | Corneal edema secondary to contact lens | — |
| H18.022 | Argentous corneal deposits, left eye | ✓ |
| H18.22 | Idiopathic corneal edema | — |
| H18.023 | Argentous corneal deposits, bilateral | ✓ |
| H18.23 | Secondary corneal edema | — |
| H18.029 | Argentous corneal deposits, unspecified eye | ✓ |
| H18.30 | Unspecified corneal membrane change | ✓ |
| H18.031 | Corneal deposits in metabolic disorders, right eye | ✓ |
| H18.31 | Folds and rupture in Bowman's membrane | — |
| H18.032 | Corneal deposits in metabolic disorders, left eye | ✓ |
| H18.32 | Folds in Descemet's membrane | — |
| H18.033 | Corneal deposits in metabolic disorders, bilateral | ✓ |
| H18.33 | Rupture in Descemet's membrane | — |
| H18.039 | Corneal deposits in metabolic disorders, unspecified eye | ✓ |
| H18.40 | Unspecified corneal degeneration | ✓ |
| H18.041 | Kayser-Fleischer ring, right eye | ✓ |
| H18.41 | Arcus senilis | — |
| H18.042 | Kayser-Fleischer ring, left eye | ✓ |
| H18.42 | Band keratopathy | — |
| H18.043 | Kayser-Fleischer ring, bilateral | ✓ |
| H18.43 | Other calcerous corneal degeneration | ✓ |
| H18.44 | Keratomalacia | — |
| H18.45 | Nodular corneal degeneration | — |
| H18.46 | Peripheral corneal degeneration | — |
| H18.049 | Kayser-Fleischer ring, unspecified eye | ✓ |
| H18.49 | Other corneal degeneration | ✓ |
| H18.50 | Unspecified hereditary corneal dystrophies | — |
| H18.051 | Posterior corneal pigmentations, right eye | ✓ |
| H18.51 | Endothelial corneal dystrophy | — |
| H18.052 | Posterior corneal pigmentations, left eye | ✓ |
| H18.52 | Epithelial (juvenile) corneal dystrophy | — |
| H18.053 | Posterior corneal pigmentations, bilateral | ✓ |
| H18.53 | Granular corneal dystrophy | — |
| H18.54 | Lattice corneal dystrophy | — |
| H18.55 | Macular corneal dystrophy | — |
| H18.059 | Posterior corneal pigmentations, unspecified eye | ✓ |
| H18.59 | Other hereditary corneal dystrophies | — |
| H18.60 | Keratoconus, unspecified | — |
| H18.061 | Stromal corneal pigmentations, right eye | ✓ |
| H18.61 | Keratoconus, stable | — |
| H18.062 | Stromal corneal pigmentations, left eye | ✓ |
| H18.62 | Keratoconus, unstable | — |
| H18.063 | Stromal corneal pigmentations, bilateral | ✓ |
| H18.069 | Stromal corneal pigmentations, unspecified eye | ✓ |
| H18.70 | Unspecified corneal deformity | ✓ |
| H18.71 | Corneal ectasia | — |
| H18.72 | Corneal staphyloma | — |
| H18.73 | Descemetocele | — |
| H18.79 | Other corneal deformities | — |
| H18.81 | Anesthesia and hypoesthesia of cornea | — |
| H18.82 | Corneal disorder due to contact lens | — |
| H18.83 | Recurrent erosion of cornea | — |
| H18.89 | Other specified disorders of cornea | — |
| H18.211 | Corneal edema secondary to contact lens, right eye | ✓ |
| H18.212 | Corneal edema secondary to contact lens, left eye | ✓ |
| H18.213 | Corneal edema secondary to contact lens, bilateral | ✓ |
| H18.219 | Corneal edema secondary to contact lens, unspecified eye | ✓ |
| H18.221 | Idiopathic corneal edema, right eye | ✓ |
| H18.222 | Idiopathic corneal edema, left eye | ✓ |
| H18.223 | Idiopathic corneal edema, bilateral | ✓ |
| H18.229 | Idiopathic corneal edema, unspecified eye | ✓ |
| H18.231 | Secondary corneal edema, right eye | ✓ |
| H18.232 | Secondary corneal edema, left eye | ✓ |
| H18.233 | Secondary corneal edema, bilateral | ✓ |
| H18.239 | Secondary corneal edema, unspecified eye | ✓ |
| H18.311 | Folds and rupture in Bowman's membrane, right eye | ✓ |
| H18.312 | Folds and rupture in Bowman's membrane, left eye | ✓ |
| H18.313 | Folds and rupture in Bowman's membrane, bilateral | ✓ |
| H18.319 | Folds and rupture in Bowman's membrane, unspecified eye | ✓ |
| H18.321 | Folds in Descemet's membrane, right eye | ✓ |
| H18.322 | Folds in Descemet's membrane, left eye | ✓ |
| H18.323 | Folds in Descemet's membrane, bilateral | ✓ |
| H18.329 | Folds in Descemet's membrane, unspecified eye | ✓ |
| H18.331 | Rupture in Descemet's membrane, right eye | ✓ |
| H18.332 | Rupture in Descemet's membrane, left eye | ✓ |
| H18.333 | Rupture in Descemet's membrane, bilateral | ✓ |
| H18.339 | Rupture in Descemet's membrane, unspecified eye | ✓ |
| H18.411 | Arcus senilis, right eye | ✓ |
| H18.412 | Arcus senilis, left eye | ✓ |
| H18.413 | Arcus senilis, bilateral | ✓ |
| H18.419 | Arcus senilis, unspecified eye | ✓ |
| H18.421 | Band keratopathy, right eye | ✓ |
| H18.422 | Band keratopathy, left eye | ✓ |
| H18.423 | Band keratopathy, bilateral | ✓ |
| H18.429 | Band keratopathy, unspecified eye | ✓ |
| H18.441 | Keratomalacia, right eye | ✓ |
| H18.442 | Keratomalacia, left eye | ✓ |
| H18.443 | Keratomalacia, bilateral | ✓ |
| H18.449 | Keratomalacia, unspecified eye | ✓ |
| H18.451 | Nodular corneal degeneration, right eye | ✓ |
| H18.452 | Nodular corneal degeneration, left eye | ✓ |
| H18.453 | Nodular corneal degeneration, bilateral | ✓ |
| H18.459 | Nodular corneal degeneration, unspecified eye | ✓ |
| 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 | ✓ |
| H18.501 | Unspecified hereditary corneal dystrophies, right eye | ✓ |
| H18.502 | Unspecified hereditary corneal dystrophies, left eye | ✓ |
| H18.503 | Unspecified hereditary corneal dystrophies, bilateral | ✓ |
| H18.509 | Unspecified hereditary corneal dystrophies, unspecified eye | ✓ |
| H18.511 | Endothelial corneal dystrophy, right eye | ✓ |
| H18.512 | Endothelial corneal dystrophy, left eye | ✓ |
| H18.513 | Endothelial corneal dystrophy, bilateral | ✓ |
| H18.519 | Endothelial corneal dystrophy, unspecified eye | ✓ |
| H18.521 | Epithelial (juvenile) corneal dystrophy, right eye | ✓ |
| H18.522 | Epithelial (juvenile) corneal dystrophy, left eye | ✓ |
| H18.523 | Epithelial (juvenile) corneal dystrophy, bilateral | ✓ |
| H18.529 | Epithelial (juvenile) corneal dystrophy, unspecified eye | ✓ |
| H18.531 | Granular corneal dystrophy, right eye | ✓ |
| H18.532 | Granular corneal dystrophy, left eye | ✓ |
| H18.533 | Granular corneal dystrophy, bilateral | ✓ |
| H18.539 | Granular corneal dystrophy, unspecified eye | ✓ |
| H18.541 | Lattice corneal dystrophy, right eye | ✓ |
| H18.542 | Lattice corneal dystrophy, left eye | ✓ |
| H18.543 | Lattice corneal dystrophy, bilateral | ✓ |
| H18.549 | Lattice corneal dystrophy, unspecified eye | ✓ |
| H18.551 | Macular corneal dystrophy, right eye | ✓ |
| H18.552 | Macular corneal dystrophy, left eye | ✓ |
| H18.553 | Macular corneal dystrophy, bilateral | ✓ |
| H18.559 | Macular corneal dystrophy, unspecified eye | ✓ |
| H18.591 | Other hereditary corneal dystrophies, right eye | ✓ |
| H18.592 | Other hereditary corneal dystrophies, left eye | ✓ |
| H18.593 | Other hereditary corneal dystrophies, bilateral | ✓ |
| H18.599 | Other hereditary corneal dystrophies, unspecified eye | ✓ |
| H18.601 | Keratoconus, unspecified, right eye | ✓ |
| H18.602 | Keratoconus, unspecified, left eye | ✓ |
| H18.603 | Keratoconus, unspecified, bilateral | ✓ |
| H18.609 | Keratoconus, unspecified, unspecified eye | ✓ |
| H18.611 | Keratoconus, stable, right eye | ✓ |
| H18.612 | Keratoconus, stable, left eye | ✓ |
| H18.613 | Keratoconus, stable, bilateral | ✓ |
| H18.619 | Keratoconus, stable, unspecified eye | ✓ |
| H18.621 | Keratoconus, unstable, right eye | ✓ |
| H18.622 | Keratoconus, unstable, left eye | ✓ |
| H18.623 | Keratoconus, unstable, bilateral | ✓ |
| H18.629 | Keratoconus, unstable, unspecified eye | ✓ |
| H18.711 | Corneal ectasia, right eye | ✓ |
| H18.712 | Corneal ectasia, left eye | ✓ |
| H18.713 | Corneal ectasia, bilateral | ✓ |
| H18.719 | Corneal ectasia, unspecified eye | ✓ |
| H18.721 | Corneal staphyloma, right eye | ✓ |
| H18.722 | Corneal staphyloma, left eye | ✓ |
| H18.723 | Corneal staphyloma, bilateral | ✓ |
| H18.729 | Corneal staphyloma, unspecified eye | ✓ |
| H18.731 | Descemetocele, right eye | ✓ |
| H18.732 | Descemetocele, left eye | ✓ |
| H18.733 | Descemetocele, bilateral | ✓ |
| H18.739 | Descemetocele, unspecified eye | ✓ |
| H18.791 | Other corneal deformities, right eye | ✓ |
| H18.792 | Other corneal deformities, left eye | ✓ |
| H18.793 | Other corneal deformities, bilateral | ✓ |
| H18.799 | Other corneal deformities, unspecified eye | ✓ |
| H18.811 | Anesthesia and hypoesthesia of cornea, right eye | ✓ |
| H18.812 | Anesthesia and hypoesthesia of cornea, left eye | ✓ |
| H18.813 | Anesthesia and hypoesthesia of cornea, bilateral | ✓ |
| H18.819 | Anesthesia and hypoesthesia of cornea, unspecified eye | ✓ |
| H18.821 | Corneal disorder due to contact lens, right eye | ✓ |
| H18.822 | Corneal disorder due to contact lens, left eye | ✓ |
| H18.823 | Corneal disorder due to contact lens, bilateral | ✓ |
| H18.829 | Corneal disorder due to contact lens, unspecified eye | ✓ |
| H18.831 | Recurrent erosion of cornea, right eye | ✓ |
| H18.832 | Recurrent erosion of cornea, left eye | ✓ |
| H18.833 | Recurrent erosion of cornea, bilateral | ✓ |
| H18.839 | Recurrent erosion of cornea, unspecified eye | ✓ |
| H18.891 | Other specified disorders of cornea, right eye | ✓ |
| H18.892 | Other specified disorders of cornea, left eye | ✓ |
| H18.893 | Other specified disorders of cornea, bilateral | ✓ |
| H18.899 | Other specified disorders of cornea, unspecified eye | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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