All ICD10 Codes
Chapter 7

H00–H59: Diseases of the Eye and Adnexa

Diseases of the Eye and Adnexa diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury (trauma) of eye and orbit (S05.-)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)
All CodesBillable Only
Internal Codes
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  • 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

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