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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  • H21.359—

    Exudative cyst of pars plana, unspecified eye

  • H21.40—

    Pupillary membranes, unspecified eye

  • H21.41—

    Pupillary membranes, right eye

  • H21.42—

    Pupillary membranes, left eye

  • H21.43—

    Pupillary membranes, bilateral

  • H21.501—

    Unspecified adhesions of iris, right eye

  • H21.502—

    Unspecified adhesions of iris, left eye

  • H21.503—

    Unspecified adhesions of iris, bilateral

  • H21.509—

    Unspecified adhesions of iris and ciliary body, unspecified eye

  • H21.511—

    Anterior synechiae (iris), right eye

  • H21.512—

    Anterior synechiae (iris), left eye

  • H21.513—

    Anterior synechiae (iris), bilateral

  • H21.519—

    Anterior synechiae (iris), unspecified eye

  • H21.521—

    Goniosynechiae, right eye

  • H21.522—

    Goniosynechiae, left eye

  • H21.523—

    Goniosynechiae, bilateral

  • H21.529—

    Goniosynechiae, unspecified eye

  • H21.531—

    Iridodialysis, right eye

  • H21.532—

    Iridodialysis, left eye

  • H21.533—

    Iridodialysis, bilateral

  • H21.539—

    Iridodialysis, unspecified eye

  • H21.541—

    Posterior synechiae (iris), right eye

  • H21.542—

    Posterior synechiae (iris), left eye

  • H21.543—

    Posterior synechiae (iris), bilateral

  • H21.549—

    Posterior synechiae (iris), unspecified eye

  • H21.551—

    Recession of chamber angle, right eye

  • H21.552—

    Recession of chamber angle, left eye

  • H21.553—

    Recession of chamber angle, bilateral

  • H21.559—

    Recession of chamber angle, unspecified eye

  • H21.561—

    Pupillary abnormality, right eye

  • H21.562—

    Pupillary abnormality, left eye

  • H21.563—

    Pupillary abnormality, bilateral

  • H21.569—

    Pupillary abnormality, unspecified eye

  • H21.81—

    Floppy iris syndrome

  • H21.82—

    Plateau iris syndrome (post-iridectomy) (postprocedural)

  • H21.89—

    Other specified disorders of iris and ciliary body

  • H21.9—

    Unspecified disorder of iris and ciliary body

  • H22—

    Disorders of iris and ciliary body in diseases classified elsewhere

  • H25.011—

    Cortical age-related cataract, right eye

  • H25.012—

    Cortical age-related cataract, left eye

  • H25.013—

    Cortical age-related cataract, bilateral

  • H25.019—

    Cortical age-related cataract, unspecified eye

  • H25.031—

    Anterior subcapsular polar age-related cataract, right eye

  • H25.032—

    Anterior subcapsular polar age-related cataract, left eye

  • H25.033—

    Anterior subcapsular polar age-related cataract, bilateral

  • H25.039—

    Anterior subcapsular polar age-related cataract, unspecified eye

  • H25.041—

    Posterior subcapsular polar age-related cataract, right eye

  • H25.042—

    Posterior subcapsular polar age-related cataract, left eye

  • H25.043—

    Posterior subcapsular polar age-related cataract, bilateral

  • H25.049—

    Posterior subcapsular polar age-related cataract, unspecified eye

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