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
  • H26.119

    Localized traumatic opacities, unspecified eye

  • H26.121

    Partially resolved traumatic cataract, right eye

  • H26.122

    Partially resolved traumatic cataract, left eye

  • H26.123

    Partially resolved traumatic cataract, bilateral

  • H26.129

    Partially resolved traumatic cataract, unspecified eye

  • H26.131

    Total traumatic cataract, right eye

  • H26.132

    Total traumatic cataract, left eye

  • H26.133

    Total traumatic cataract, bilateral

  • H26.139

    Total traumatic cataract, unspecified eye

  • H26.20

    Unspecified complicated cataract

  • H26.211

    Cataract with neovascularization, right eye

  • H26.212

    Cataract with neovascularization, left eye

  • H26.213

    Cataract with neovascularization, bilateral

  • H26.219

    Cataract with neovascularization, unspecified eye

  • H26.221

    Cataract secondary to ocular disorders (degenerative) (inflammatory), right eye

  • H26.222

    Cataract secondary to ocular disorders (degenerative) (inflammatory), left eye

  • H26.223

    Cataract secondary to ocular disorders (degenerative) (inflammatory), bilateral

  • H26.229

    Cataract secondary to ocular disorders (degenerative) (inflammatory), unspecified eye

  • H26.231

    Glaucomatous flecks (subcapsular), right eye

  • H26.232

    Glaucomatous flecks (subcapsular), left eye

  • H26.233

    Glaucomatous flecks (subcapsular), bilateral

  • H26.239

    Glaucomatous flecks (subcapsular), unspecified eye

  • H26.30

    Drug-induced cataract, unspecified eye

  • H26.31

    Drug-induced cataract, right eye

  • H26.32

    Drug-induced cataract, left eye

  • H26.33

    Drug-induced cataract, bilateral

  • H26.40

    Unspecified secondary cataract

  • H26.411

    Soemmering's ring, right eye

  • H26.412

    Soemmering's ring, left eye

  • H26.413

    Soemmering's ring, bilateral

  • H26.419

    Soemmering's ring, unspecified eye

  • H26.491

    Other secondary cataract, right eye

  • H26.492

    Other secondary cataract, left eye

  • H26.493

    Other secondary cataract, bilateral

  • H26.499

    Other secondary cataract, unspecified eye

  • H26.8

    Other specified cataract

  • H26.9

    Unspecified cataract

  • H27.00

    Aphakia, unspecified eye

  • H27.01

    Aphakia, right eye

  • H27.02

    Aphakia, left eye

  • H27.03

    Aphakia, bilateral

  • H27.10

    Unspecified dislocation of lens

  • H27.111

    Subluxation of lens, right eye

  • H27.112

    Subluxation of lens, left eye

  • H27.113

    Subluxation of lens, bilateral

  • H27.119

    Subluxation of lens, unspecified eye

  • H27.121

    Anterior dislocation of lens, right eye

  • H27.122

    Anterior dislocation of lens, left eye

  • H27.123

    Anterior dislocation of lens, bilateral

  • H27.129

    Anterior dislocation of lens, unspecified eye

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