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
  • H27.0

    Aphakia

  • H27.00

    Aphakia, unspecified eye

  • H27.01

    Aphakia, right eye

  • H27.02

    Aphakia, left eye

  • H27.03

    Aphakia, bilateral

  • H27.1

    Dislocation of lens

  • H27.10

    Unspecified dislocation of lens

  • H27.11

    Subluxation 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

  • H27.12

    Anterior dislocation of lens

  • 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

  • H27.13

    Posterior dislocation of lens

  • H27.131

    Posterior dislocation of lens, right eye

  • H27.132

    Posterior dislocation of lens, left eye

  • H27.133

    Posterior dislocation of lens, bilateral

  • H27.139

    Posterior dislocation of lens, unspecified eye

  • H27.8

    Other specified disorders of lens

  • H27.9

    Unspecified disorder of lens

  • H28

    Cataract in diseases classified elsewhere

  • H30

    Chorioretinal inflammation

  • H30.0

    Focal chorioretinal inflammation

  • H30.00

    Unspecified focal chorioretinal inflammation

  • H30.001

    Unspecified focal chorioretinal inflammation, right eye

  • H30.002

    Unspecified focal chorioretinal inflammation, left eye

  • H30.003

    Unspecified focal chorioretinal inflammation, bilateral

  • H30.009

    Unspecified focal chorioretinal inflammation, unspecified eye

  • H30.01

    Focal chorioretinal inflammation, juxtapapillary

  • H30.011

    Focal chorioretinal inflammation, juxtapapillary, right eye

  • H30.012

    Focal chorioretinal inflammation, juxtapapillary, left eye

  • H30.013

    Focal chorioretinal inflammation, juxtapapillary, bilateral

  • H30.019

    Focal chorioretinal inflammation, juxtapapillary, unspecified eye

  • H30.02

    Focal chorioretinal inflammation of posterior pole

  • H30.021

    Focal chorioretinal inflammation of posterior pole, right eye

  • H30.022

    Focal chorioretinal inflammation of posterior pole, left eye

  • H30.023

    Focal chorioretinal inflammation of posterior pole, bilateral

  • H30.029

    Focal chorioretinal inflammation of posterior pole, unspecified eye

  • H30.03

    Focal chorioretinal inflammation, peripheral

  • H30.031

    Focal chorioretinal inflammation, peripheral, right eye

  • H30.032

    Focal chorioretinal inflammation, peripheral, left eye

  • H30.033

    Focal chorioretinal inflammation, peripheral, bilateral

  • H30.039

    Focal chorioretinal inflammation, peripheral, unspecified eye

  • H30.04

    Focal chorioretinal inflammation, macular or paramacular

  • H30.041

    Focal chorioretinal inflammation, macular or paramacular, right eye

  • H30.042

    Focal chorioretinal inflammation, macular or paramacular, left eye

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