ICD-10-CM H18: Other disorders of cornea

ICD-10-CM Diagnosis Code (2025)

Official Description for H18

Other disorders of cornea

Coding Notes & Guidelines for H18

Excludes1: Not Coded Here
  • Mooren's ulcer (H16.0-)
  • recurrent erosion of cornea (H18.83-)
Excludes1: Not Coded Here

keratomalacia due to vitamin A deficiency (E50.4)

Excludes1: Not Coded Here

congenital malformations of cornea (Q13.3-Q13.4)

Excludes2: Not Included Here

other corneal disorders due to contact lens (H18.82-)

Excludes2: Not Included Here

corneal edema due to contact lens (H18.21-)

Inclusion Terms

Staehli's line

Inclusion Terms

Krukenberg's spindle

Inclusion Terms

Hematocornea

Inclusion Terms

Senile corneal changes

Inclusion Terms

Fuchs' dystrophy

Inclusion Terms

Acute hydrops

Code Also

associated metabolic disorder

Code Also

associated Wilson's disease (E83.01)

Child Codes (More Specific Codes for H18):

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 H18.04 - Kayser-Fleischer ring 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 H18.1 - Bullous keratopathy 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 H18.23 - Secondary corneal edema 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 H18.41 - Arcus senilis H18.411 - Arcus senilis, right eye H18.412 - Arcus senilis, left eye H18.413 - Arcus senilis, bilateral H18.419 - Arcus senilis, unspecified eye H18.42 - Band keratopathy H18.421 - Band keratopathy, right eye H18.422 - Band keratopathy, left eye H18.423 - Band keratopathy, bilateral H18.429 - Band keratopathy, unspecified eye H18.43 - Other calcerous corneal degeneration H18.44 - Keratomalacia H18.441 - Keratomalacia, right eye H18.442 - Keratomalacia, left eye H18.443 - Keratomalacia, bilateral 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 H18.5 - 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 H18.6 - 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 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 H18.70 - 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 H18.722 - Corneal staphyloma, left eye H18.723 - Corneal staphyloma, bilateral H18.729 - Corneal staphyloma, unspecified eye H18.73 - Descemetocele H18.731 - Descemetocele, right eye H18.732 - Descemetocele, left eye H18.733 - Descemetocele, bilateral H18.739 - Descemetocele, 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

About ICD-10-CM Code H18 (Other disorders of cornea)

ICD-10-CM code H18 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM H18 became effective on October 1, 2024.

This page provides detailed information about H18 - Other disorders of cornea. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other disorders of cornea.