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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  • H05.413—

    Enophthalmos due to atrophy of orbital tissue, bilateral

  • H05.419—

    Enophthalmos due to atrophy of orbital tissue, unspecified eye

  • H05.421—

    Enophthalmos due to trauma or surgery, right eye

  • H05.422—

    Enophthalmos due to trauma or surgery, left eye

  • H05.423—

    Enophthalmos due to trauma or surgery, bilateral

  • H05.429—

    Enophthalmos due to trauma or surgery, unspecified eye

  • H05.50—

    Retained (old) foreign body following penetrating wound of unspecified orbit

  • H05.51—

    Retained (old) foreign body following penetrating wound of right orbit

  • H05.52—

    Retained (old) foreign body following penetrating wound of left orbit

  • H05.53—

    Retained (old) foreign body following penetrating wound of bilateral orbits

  • H05.811—

    Cyst of right orbit

  • H05.812—

    Cyst of left orbit

  • H05.813—

    Cyst of bilateral orbits

  • H05.819—

    Cyst of unspecified orbit

  • H05.821—

    Myopathy of extraocular muscles, right orbit

  • H05.822—

    Myopathy of extraocular muscles, left orbit

  • H05.823—

    Myopathy of extraocular muscles, bilateral

  • H05.829—

    Myopathy of extraocular muscles, unspecified orbit

  • H05.831—

    Thyroid orbitopathy, right orbit

  • H05.832—

    Thyroid orbitopathy, left orbit

  • H05.833—

    Thyroid orbitopathy, bilateral

  • H05.839—

    Thyroid orbitopathy, unspecified orbit

  • H05.89—

    Other disorders of orbit

  • H05.9—

    Unspecified disorder of orbit

  • H10.011—

    Acute follicular conjunctivitis, right eye

  • H10.012—

    Acute follicular conjunctivitis, left eye

  • H10.013—

    Acute follicular conjunctivitis, bilateral

  • H10.019—

    Acute follicular conjunctivitis, unspecified eye

  • H10.021—

    Other mucopurulent conjunctivitis, right eye

  • H10.022—

    Other mucopurulent conjunctivitis, left eye

  • H10.023—

    Other mucopurulent conjunctivitis, bilateral

  • H10.029—

    Other mucopurulent conjunctivitis, unspecified eye

  • H10.10—

    Acute atopic conjunctivitis, unspecified eye

  • H10.11—

    Acute atopic conjunctivitis, right eye

  • H10.12—

    Acute atopic conjunctivitis, left eye

  • H10.13—

    Acute atopic conjunctivitis, bilateral

  • H10.211—

    Acute toxic conjunctivitis, right eye

  • H10.212—

    Acute toxic conjunctivitis, left eye

  • H10.213—

    Acute toxic conjunctivitis, bilateral

  • H10.219—

    Acute toxic conjunctivitis, unspecified eye

  • H10.221—

    Pseudomembranous conjunctivitis, right eye

  • H10.222—

    Pseudomembranous conjunctivitis, left eye

  • H10.223—

    Pseudomembranous conjunctivitis, bilateral

  • H10.229—

    Pseudomembranous conjunctivitis, unspecified eye

  • H10.231—

    Serous conjunctivitis, except viral, right eye

  • H10.232—

    Serous conjunctivitis, except viral, left eye

  • H10.233—

    Serous conjunctivitis, except viral, bilateral

  • H10.239—

    Serous conjunctivitis, except viral, unspecified eye

  • H10.30—

    Unspecified acute conjunctivitis, unspecified eye

  • H10.31—

    Unspecified acute conjunctivitis, right eye

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