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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  • H40.62X2—

    Glaucoma secondary to drugs, left eye, moderate stage

  • H40.62X3—

    Glaucoma secondary to drugs, left eye, severe stage

  • H40.62X4—

    Glaucoma secondary to drugs, left eye, indeterminate stage

  • H40.63—

    Glaucoma secondary to drugs, bilateral

  • H40.63X0—

    Glaucoma secondary to drugs, bilateral, stage unspecified

  • H40.63X1—

    Glaucoma secondary to drugs, bilateral, mild stage

  • H40.63X2—

    Glaucoma secondary to drugs, bilateral, moderate stage

  • H40.63X3—

    Glaucoma secondary to drugs, bilateral, severe stage

  • H40.63X4—

    Glaucoma secondary to drugs, bilateral, indeterminate stage

  • H40.8—

    Other glaucoma

  • H40.81—

    Glaucoma with increased episcleral venous pressure

  • H40.811—

    Glaucoma with increased episcleral venous pressure, right eye

  • H40.812—

    Glaucoma with increased episcleral venous pressure, left eye

  • H40.813—

    Glaucoma with increased episcleral venous pressure, bilateral

  • H40.819—

    Glaucoma with increased episcleral venous pressure, unspecified eye

  • H40.82—

    Hypersecretion glaucoma

  • H40.821—

    Hypersecretion glaucoma, right eye

  • H40.822—

    Hypersecretion glaucoma, left eye

  • H40.823—

    Hypersecretion glaucoma, bilateral

  • H40.829—

    Hypersecretion glaucoma, unspecified eye

  • H40.83—

    Aqueous misdirection

  • H40.831—

    Aqueous misdirection, right eye

  • H40.832—

    Aqueous misdirection, left eye

  • H40.833—

    Aqueous misdirection, bilateral

  • H40.839—

    Aqueous misdirection, unspecified eye

  • H40.84—

    Neovascular secondary angle closure glaucoma

  • H40.841—

    Neovascular secondary angle closure glaucoma, right eye

  • H40.842—

    Neovascular secondary angle closure glaucoma, left eye

  • H40.843—

    Neovascular secondary angle closure glaucoma, bilateral

  • H40.849—

    Neovascular secondary angle closure glaucoma, unspecified eye

  • H40.89—

    Other specified glaucoma

  • H40.9—

    Unspecified glaucoma

  • H42—

    Glaucoma in diseases classified elsewhere

  • H43—

    Disorders of vitreous body

  • H43.0—

    Vitreous prolapse

  • H43.00—

    Vitreous prolapse, unspecified eye

  • H43.01—

    Vitreous prolapse, right eye

  • H43.02—

    Vitreous prolapse, left eye

  • H43.03—

    Vitreous prolapse, bilateral

  • H43.1—

    Vitreous hemorrhage

  • H43.10—

    Vitreous hemorrhage, unspecified eye

  • H43.11—

    Vitreous hemorrhage, right eye

  • H43.12—

    Vitreous hemorrhage, left eye

  • H43.13—

    Vitreous hemorrhage, bilateral

  • H43.2—

    Crystalline deposits in vitreous body

  • H43.20—

    Crystalline deposits in vitreous body, unspecified eye

  • H43.21—

    Crystalline deposits in vitreous body, right eye

  • H43.22—

    Crystalline deposits in vitreous body, left eye

  • H43.23—

    Crystalline deposits in vitreous body, bilateral

  • H43.3—

    Other vitreous opacities

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