H18 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.
Related Diagnoses H18.5 Hereditary corneal dystrophies H18.50 Unspecified hereditary corneal dystrophies 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 H18.51 Endothelial corneal dystrophy 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 H18.52 Epithelial (juvenile) corneal dystrophy 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 H18.53 Granular corneal dystrophy 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 H18.54 Lattice corneal dystrophy 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 H18.55 Macular corneal dystrophy 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 H18.59 Other hereditary corneal dystrophies 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 H18.0 Corneal pigmentations and deposits H18.00 Unspecified corneal deposit H18.001 Unspecified corneal deposit, right eye H18.002 Unspecified corneal deposit, left eye H18.003 Unspecified corneal deposit, bilateral H18.009 Unspecified corneal deposit, unspecified eye H18.01 Anterior corneal pigmentations H18.011 Anterior corneal pigmentations, right eye H18.012 Anterior corneal pigmentations, left eye H18.013 Anterior corneal pigmentations, bilateral H18.019 Anterior corneal pigmentations, unspecified eye H18.02 Argentous corneal deposits H18.021 Argentous corneal deposits, right eye H18.022 Argentous corneal deposits, left eye H18.023 Argentous corneal deposits, bilateral H18.029 Argentous corneal deposits, unspecified eye H18.03 Corneal deposits in metabolic disorders H18.031 Corneal deposits in metabolic disorders, right eye H18.032 Corneal deposits in metabolic disorders, left eye H18.033 Corneal deposits in metabolic disorders, bilateral H18.039 Corneal deposits in metabolic disorders, unspecified eye H18.041 Kayser-Fleischer ring, right eye H18.042 Kayser-Fleischer ring, left eye H18.043 Kayser-Fleischer ring, bilateral H18.049 Kayser-Fleischer ring, unspecified eye H18.05 Posterior corneal pigmentations H18.051 Posterior corneal pigmentations, right eye H18.052 Posterior corneal pigmentations, left eye H18.053 Posterior corneal pigmentations, bilateral H18.059 Posterior corneal pigmentations, unspecified eye H18.06 Stromal corneal pigmentations H18.061 Stromal corneal pigmentations, right eye H18.062 Stromal corneal pigmentations, left eye H18.063 Stromal corneal pigmentations, bilateral H18.069 Stromal corneal pigmentations, unspecified eye H18.10 Bullous keratopathy, unspecified eye H18.11 Bullous keratopathy, right eye H18.12 Bullous keratopathy, left eye H18.13 Bullous keratopathy, bilateral H18.2 Other and unspecified corneal edema H18.20 Unspecified corneal edema H18.21 Corneal edema secondary to contact lens 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 H18.22 Idiopathic corneal edema 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 H18.3 Changes of corneal membranes H18.30 Unspecified corneal membrane change H18.31 Folds and rupture in Bowman's membrane 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 H18.32 Folds in Descemet's membrane 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 H18.33 Rupture in Descemet's membrane 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 H18.4 Corneal degeneration H18.40 Unspecified corneal degeneration H18.419 Arcus senilis, unspecified eye H18.429 Band keratopathy, unspecified eye H18.43 Other calcerous corneal degeneration H18.449 Keratomalacia, unspecified eye H18.45 Nodular corneal degeneration 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 H18.46 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 H18.60 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 H18.611 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 H18.7 Other and unspecified corneal deformities H18.739 Descemetocele, unspecified eye H18.70 Unspecified corneal deformity 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 H18.79 Other corneal deformities 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 H18.8 Other specified disorders of cornea H18.81 Anesthesia and hypoesthesia of cornea 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 H18.82 Corneal disorder due to contact lens 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 H18.83 Recurrent erosion of cornea 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 H18.89 Other specified disorders of cornea 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 H18.9 Unspecified disorder of cornea