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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  • H18.3—

    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

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