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
PrevNext
  • H40.042—

    Steroid responder, left eye

  • H40.043—

    Steroid responder, bilateral

  • H40.049—

    Steroid responder, unspecified eye

  • H40.051—

    Ocular hypertension, right eye

  • H40.052—

    Ocular hypertension, left eye

  • H40.053—

    Ocular hypertension, bilateral

  • H40.059—

    Ocular hypertension, unspecified eye

  • 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

  • H40.10—

    Unspecified open-angle glaucoma

  • H40.10X0—

    Unspecified open-angle glaucoma, stage unspecified

  • H40.10X1—

    Unspecified open-angle glaucoma, mild stage

  • H40.10X2—

    Unspecified open-angle glaucoma, moderate stage

  • H40.10X3—

    Unspecified open-angle glaucoma, severe stage

  • H40.10X4—

    Unspecified open-angle glaucoma, indeterminate stage

  • H40.111—

    Primary open-angle glaucoma, right eye

  • H40.1110—

    Primary open-angle glaucoma, right eye, stage unspecified

  • H40.1111—

    Primary open-angle glaucoma, right eye, mild stage

  • H40.1112—

    Primary open-angle glaucoma, right eye, moderate stage

  • H40.1113—

    Primary open-angle glaucoma, right eye, severe stage

  • H40.1114—

    Primary open-angle glaucoma, right eye, indeterminate stage

  • H40.112—

    Primary open-angle glaucoma, left eye

  • H40.1120—

    Primary open-angle glaucoma, left eye, stage unspecified

  • H40.1121—

    Primary open-angle glaucoma, left eye, mild stage

  • H40.1122—

    Primary open-angle glaucoma, left eye, moderate stage

  • H40.1123—

    Primary open-angle glaucoma, left eye, severe stage

  • H40.1124—

    Primary open-angle glaucoma, left eye, indeterminate stage

  • H40.113—

    Primary open-angle glaucoma, bilateral

  • H40.1130—

    Primary open-angle glaucoma, bilateral, stage unspecified

  • H40.1131—

    Primary open-angle glaucoma, bilateral, mild stage

  • H40.1132—

    Primary open-angle glaucoma, bilateral, moderate stage

  • H40.1133—

    Primary open-angle glaucoma, bilateral, severe stage

  • H40.1134—

    Primary open-angle glaucoma, bilateral, indeterminate stage

  • H40.119—

    Primary open-angle glaucoma, unspecified eye

  • H40.1190—

    Primary open-angle glaucoma, unspecified eye, stage unspecified

  • H40.1191—

    Primary open-angle glaucoma, unspecified eye, mild stage

  • H40.1192—

    Primary open-angle glaucoma, unspecified eye, moderate stage

  • H40.1193—

    Primary open-angle glaucoma, unspecified eye, severe stage

  • H40.1194—

    Primary open-angle glaucoma, unspecified eye, indeterminate stage

  • H40.121—

    Low-tension glaucoma, right eye

  • H40.1210—

    Low-tension glaucoma, right eye, stage unspecified

  • H40.1211—

    Low-tension glaucoma, right eye, mild stage

  • H40.1212—

    Low-tension glaucoma, right eye, moderate stage

  • H40.1213—

    Low-tension glaucoma, right eye, severe stage

  • H40.1214—

    Low-tension glaucoma, right eye, indeterminate stage

  • H40.122—

    Low-tension glaucoma, left eye

  • H40.1220—

    Low-tension glaucoma, left eye, stage unspecified

  • H40.1221—

    Low-tension glaucoma, left eye, mild stage

PreviousPage 37 of 55Next