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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  • H10.32—

    Unspecified acute conjunctivitis, left eye

  • H10.33—

    Unspecified acute conjunctivitis, bilateral

  • H10.401—

    Unspecified chronic conjunctivitis, right eye

  • H10.402—

    Unspecified chronic conjunctivitis, left eye

  • H10.403—

    Unspecified chronic conjunctivitis, bilateral

  • H10.409—

    Unspecified chronic conjunctivitis, unspecified eye

  • H10.411—

    Chronic giant papillary conjunctivitis, right eye

  • H10.412—

    Chronic giant papillary conjunctivitis, left eye

  • H10.413—

    Chronic giant papillary conjunctivitis, bilateral

  • H10.419—

    Chronic giant papillary conjunctivitis, unspecified eye

  • H10.421—

    Simple chronic conjunctivitis, right eye

  • H10.422—

    Simple chronic conjunctivitis, left eye

  • H10.423—

    Simple chronic conjunctivitis, bilateral

  • H10.429—

    Simple chronic conjunctivitis, unspecified eye

  • H10.431—

    Chronic follicular conjunctivitis, right eye

  • H10.432—

    Chronic follicular conjunctivitis, left eye

  • H10.433—

    Chronic follicular conjunctivitis, bilateral

  • H10.439—

    Chronic follicular conjunctivitis, unspecified eye

  • H10.44—

    Vernal conjunctivitis

  • H10.45—

    Other chronic allergic conjunctivitis

  • H10.501—

    Unspecified blepharoconjunctivitis, right eye

  • H10.502—

    Unspecified blepharoconjunctivitis, left eye

  • H10.503—

    Unspecified blepharoconjunctivitis, bilateral

  • H10.509—

    Unspecified blepharoconjunctivitis, unspecified eye

  • H10.511—

    Ligneous conjunctivitis, right eye

  • H10.512—

    Ligneous conjunctivitis, left eye

  • H10.513—

    Ligneous conjunctivitis, bilateral

  • H10.519—

    Ligneous conjunctivitis, unspecified eye

  • H10.521—

    Angular blepharoconjunctivitis, right eye

  • H10.522—

    Angular blepharoconjunctivitis, left eye

  • H10.523—

    Angular blepharoconjunctivitis, bilateral

  • H10.529—

    Angular blepharoconjunctivitis, unspecified eye

  • H10.531—

    Contact blepharoconjunctivitis, right eye

  • H10.532—

    Contact blepharoconjunctivitis, left eye

  • H10.533—

    Contact blepharoconjunctivitis, bilateral

  • H10.539—

    Contact blepharoconjunctivitis, unspecified eye

  • H10.811—

    Pingueculitis, right eye

  • H10.812—

    Pingueculitis, left eye

  • H10.813—

    Pingueculitis, bilateral

  • H10.819—

    Pingueculitis, unspecified eye

  • H10.821—

    Rosacea conjunctivitis, right eye

  • H10.822—

    Rosacea conjunctivitis, left eye

  • H10.823—

    Rosacea conjunctivitis, bilateral

  • H10.829—

    Rosacea conjunctivitis, unspecified eye

  • H10.89—

    Other conjunctivitis

  • H10.9—

    Unspecified conjunctivitis

  • H11.001—

    Unspecified pterygium of right eye

  • H11.002—

    Unspecified pterygium of left eye

  • H11.003—

    Unspecified pterygium of eye, bilateral

  • H11.009—

    Unspecified pterygium of unspecified eye

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