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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  • H16.103—

    Unspecified superficial keratitis, bilateral

  • H16.109—

    Unspecified superficial keratitis, unspecified eye

  • H16.11—

    Macular keratitis

  • H16.111—

    Macular keratitis, right eye

  • H16.112—

    Macular keratitis, left eye

  • H16.113—

    Macular keratitis, bilateral

  • H16.119—

    Macular keratitis, unspecified eye

  • H16.12—

    Filamentary keratitis

  • H16.121—

    Filamentary keratitis, right eye

  • H16.122—

    Filamentary keratitis, left eye

  • H16.123—

    Filamentary keratitis, bilateral

  • H16.129—

    Filamentary keratitis, unspecified eye

  • H16.13—

    Photokeratitis

  • H16.131—

    Photokeratitis, right eye

  • H16.132—

    Photokeratitis, left eye

  • H16.133—

    Photokeratitis, bilateral

  • H16.139—

    Photokeratitis, unspecified eye

  • H16.14—

    Punctate keratitis

  • H16.141—

    Punctate keratitis, right eye

  • H16.142—

    Punctate keratitis, left eye

  • H16.143—

    Punctate keratitis, bilateral

  • H16.149—

    Punctate keratitis, unspecified eye

  • H16.2—

    Keratoconjunctivitis

  • H16.20—

    Unspecified keratoconjunctivitis

  • H16.201—

    Unspecified keratoconjunctivitis, right eye

  • H16.202—

    Unspecified keratoconjunctivitis, left eye

  • H16.203—

    Unspecified keratoconjunctivitis, bilateral

  • H16.209—

    Unspecified keratoconjunctivitis, unspecified eye

  • H16.21—

    Exposure keratoconjunctivitis

  • H16.211—

    Exposure keratoconjunctivitis, right eye

  • H16.212—

    Exposure keratoconjunctivitis, left eye

  • H16.213—

    Exposure keratoconjunctivitis, bilateral

  • H16.219—

    Exposure keratoconjunctivitis, unspecified eye

  • H16.22—

    Keratoconjunctivitis sicca, not specified as Sjögren's

  • H16.221—

    Keratoconjunctivitis sicca, not specified as Sjögren's, right eye

  • H16.222—

    Keratoconjunctivitis sicca, not specified as Sjögren's, left eye

  • H16.223—

    Keratoconjunctivitis sicca, not specified as Sjögren's, bilateral

  • H16.229—

    Keratoconjunctivitis sicca, not specified as Sjögren's, unspecified eye

  • H16.23—

    Neurotrophic keratoconjunctivitis

  • H16.231—

    Neurotrophic keratoconjunctivitis, right eye

  • H16.232—

    Neurotrophic keratoconjunctivitis, left eye

  • H16.233—

    Neurotrophic keratoconjunctivitis, bilateral

  • H16.239—

    Neurotrophic keratoconjunctivitis, unspecified eye

  • H16.24—

    Ophthalmia nodosa

  • H16.241—

    Ophthalmia nodosa, right eye

  • H16.242—

    Ophthalmia nodosa, left eye

  • H16.243—

    Ophthalmia nodosa, bilateral

  • H16.249—

    Ophthalmia nodosa, unspecified eye

  • H16.25—

    Phlyctenular keratoconjunctivitis

  • H16.251—

    Phlyctenular keratoconjunctivitis, right eye

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