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)
Internal Codes
  • H15.05

    Scleromalacia perforans

  • H15.051

    Scleromalacia perforans, right eye

  • H15.052

    Scleromalacia perforans, left eye

  • H15.053

    Scleromalacia perforans, bilateral

  • H15.059

    Scleromalacia perforans, unspecified eye

  • H15.09

    Other scleritis

  • H15.091

    Other scleritis, right eye

  • H15.092

    Other scleritis, left eye

  • H15.093

    Other scleritis, bilateral

  • H15.099

    Other scleritis, unspecified eye

  • H15.1

    Episcleritis

  • H15.10

    Unspecified episcleritis

  • H15.101

    Unspecified episcleritis, right eye

  • H15.102

    Unspecified episcleritis, left eye

  • H15.103

    Unspecified episcleritis, bilateral

  • H15.109

    Unspecified episcleritis, unspecified eye

  • H15.11

    Episcleritis periodica fugax

  • H15.111

    Episcleritis periodica fugax, right eye

  • H15.112

    Episcleritis periodica fugax, left eye

  • H15.113

    Episcleritis periodica fugax, bilateral

  • H15.119

    Episcleritis periodica fugax, unspecified eye

  • H15.12

    Nodular episcleritis

  • H15.121

    Nodular episcleritis, right eye

  • H15.122

    Nodular episcleritis, left eye

  • H15.123

    Nodular episcleritis, bilateral

  • H15.129

    Nodular episcleritis, unspecified eye

  • H15.8

    Other disorders of sclera

  • H15.81

    Equatorial staphyloma

  • H15.811

    Equatorial staphyloma, right eye

  • H15.812

    Equatorial staphyloma, left eye

  • H15.813

    Equatorial staphyloma, bilateral

  • H15.819

    Equatorial staphyloma, unspecified eye

  • H15.82

    Localized anterior staphyloma

  • H15.821

    Localized anterior staphyloma, right eye

  • H15.822

    Localized anterior staphyloma, left eye

  • H15.823

    Localized anterior staphyloma, bilateral

  • H15.829

    Localized anterior staphyloma, unspecified eye

  • H15.83

    Staphyloma posticum

  • H15.831

    Staphyloma posticum, right eye

  • H15.832

    Staphyloma posticum, left eye

  • H15.833

    Staphyloma posticum, bilateral

  • H15.839

    Staphyloma posticum, unspecified eye

  • H15.84

    Scleral ectasia

  • H15.841

    Scleral ectasia, right eye

  • H15.842

    Scleral ectasia, left eye

  • H15.843

    Scleral ectasia, bilateral

  • H15.849

    Scleral ectasia, unspecified eye

  • H15.85

    Ring staphyloma

  • H15.851

    Ring staphyloma, right eye

  • H15.852

    Ring staphyloma, left eye

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