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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  • H36—

    Retinal disorders in diseases classified elsewhere

  • H36.8—

    Other retinal disorders in diseases classified elsewhere

  • H36.81—

    Nonproliferative sickle-cell retinopathy

  • H36.811—

    Nonproliferative sickle-cell retinopathy, right eye

  • H36.812—

    Nonproliferative sickle-cell retinopathy, left eye

  • H36.813—

    Nonproliferative sickle-cell retinopathy, bilateral

  • H36.819—

    Nonproliferative sickle-cell retinopathy, unspecified eye

  • H36.82—

    Proliferative sickle-cell retinopathy

  • H36.821—

    Proliferative sickle-cell retinopathy, right eye

  • H36.822—

    Proliferative sickle-cell retinopathy, left eye

  • H36.823—

    Proliferative sickle-cell retinopathy, bilateral

  • H36.829—

    Proliferative sickle-cell retinopathy, unspecified eye

  • H36.89—

    Other retinal disorders in diseases classified elsewhere

  • H40—

    Glaucoma

  • H40.0—

    Glaucoma suspect

  • H40.00—

    Preglaucoma, unspecified

  • H40.001—

    Preglaucoma, unspecified, right eye

  • H40.002—

    Preglaucoma, unspecified, left eye

  • H40.003—

    Preglaucoma, unspecified, bilateral

  • H40.009—

    Preglaucoma, unspecified, unspecified eye

  • H40.01—

    Open angle with borderline findings, low risk

  • H40.011—

    Open angle with borderline findings, low risk, right eye

  • H40.012—

    Open angle with borderline findings, low risk, left eye

  • H40.013—

    Open angle with borderline findings, low risk, bilateral

  • H40.019—

    Open angle with borderline findings, low risk, unspecified eye

  • H40.02—

    Open angle with borderline findings, high risk

  • H40.021—

    Open angle with borderline findings, high risk, right eye

  • H40.022—

    Open angle with borderline findings, high risk, left eye

  • H40.023—

    Open angle with borderline findings, high risk, bilateral

  • H40.029—

    Open angle with borderline findings, high risk, unspecified eye

  • H40.03—

    Anatomical narrow angle

  • H40.031—

    Anatomical narrow angle, right eye

  • H40.032—

    Anatomical narrow angle, left eye

  • H40.033—

    Anatomical narrow angle, bilateral

  • H40.039—

    Anatomical narrow angle, unspecified eye

  • H40.04—

    Steroid responder

  • H40.041—

    Steroid responder, right eye

  • H40.042—

    Steroid responder, left eye

  • H40.043—

    Steroid responder, bilateral

  • H40.049—

    Steroid responder, unspecified eye

  • H40.05—

    Ocular hypertension

  • H40.051—

    Ocular hypertension, right eye

  • H40.052—

    Ocular hypertension, left eye

  • H40.053—

    Ocular hypertension, bilateral

  • H40.059—

    Ocular hypertension, unspecified eye

  • H40.06—

    Primary angle closure without glaucoma damage

  • H40.061—

    Primary angle closure without glaucoma damage, right eye

  • H40.062—

    Primary angle closure without glaucoma damage, left eye

  • H40.063—

    Primary angle closure without glaucoma damage, bilateral

  • H40.069—

    Primary angle closure without glaucoma damage, unspecified eye

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