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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  • H15.859—

    Ring staphyloma, unspecified eye

  • H15.89—

    Other disorders of sclera

  • H15.9—

    Unspecified disorder of sclera

  • H16.001—

    Unspecified corneal ulcer, right eye

  • H16.002—

    Unspecified corneal ulcer, left eye

  • H16.003—

    Unspecified corneal ulcer, bilateral

  • H16.009—

    Unspecified corneal ulcer, unspecified eye

  • H16.011—

    Central corneal ulcer, right eye

  • H16.012—

    Central corneal ulcer, left eye

  • H16.013—

    Central corneal ulcer, bilateral

  • H16.019—

    Central corneal ulcer, unspecified eye

  • H16.021—

    Ring corneal ulcer, right eye

  • H16.022—

    Ring corneal ulcer, left eye

  • H16.023—

    Ring corneal ulcer, bilateral

  • H16.029—

    Ring corneal ulcer, unspecified eye

  • H16.031—

    Corneal ulcer with hypopyon, right eye

  • H16.032—

    Corneal ulcer with hypopyon, left eye

  • H16.033—

    Corneal ulcer with hypopyon, bilateral

  • H16.039—

    Corneal ulcer with hypopyon, unspecified eye

  • H16.041—

    Marginal corneal ulcer, right eye

  • H16.042—

    Marginal corneal ulcer, left eye

  • H16.043—

    Marginal corneal ulcer, bilateral

  • H16.049—

    Marginal corneal ulcer, unspecified eye

  • H16.051—

    Mooren's corneal ulcer, right eye

  • H16.052—

    Mooren's corneal ulcer, left eye

  • H16.053—

    Mooren's corneal ulcer, bilateral

  • H16.059—

    Mooren's corneal ulcer, unspecified eye

  • H16.061—

    Mycotic corneal ulcer, right eye

  • H16.062—

    Mycotic corneal ulcer, left eye

  • H16.063—

    Mycotic corneal ulcer, bilateral

  • H16.069—

    Mycotic corneal ulcer, unspecified eye

  • H16.071—

    Perforated corneal ulcer, right eye

  • H16.072—

    Perforated corneal ulcer, left eye

  • H16.073—

    Perforated corneal ulcer, bilateral

  • H16.079—

    Perforated corneal ulcer, unspecified eye

  • H16.101—

    Unspecified superficial keratitis, right eye

  • H16.102—

    Unspecified superficial keratitis, left eye

  • H16.103—

    Unspecified superficial keratitis, bilateral

  • H16.109—

    Unspecified superficial keratitis, unspecified eye

  • H16.111—

    Macular keratitis, right eye

  • H16.112—

    Macular keratitis, left eye

  • H16.113—

    Macular keratitis, bilateral

  • H16.119—

    Macular keratitis, unspecified eye

  • H16.121—

    Filamentary keratitis, right eye

  • H16.122—

    Filamentary keratitis, left eye

  • H16.123—

    Filamentary keratitis, bilateral

  • H16.129—

    Filamentary keratitis, unspecified eye

  • H16.131—

    Photokeratitis, right eye

  • H16.132—

    Photokeratitis, left eye

  • H16.133—

    Photokeratitis, bilateral

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