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
  • H31.311

    Expulsive choroidal hemorrhage, right eye

  • H31.312

    Expulsive choroidal hemorrhage, left eye

  • H31.313

    Expulsive choroidal hemorrhage, bilateral

  • H31.319

    Expulsive choroidal hemorrhage, unspecified eye

  • H31.321

    Choroidal rupture, right eye

  • H31.322

    Choroidal rupture, left eye

  • H31.323

    Choroidal rupture, bilateral

  • H31.329

    Choroidal rupture, unspecified eye

  • H31.401

    Unspecified choroidal detachment, right eye

  • H31.402

    Unspecified choroidal detachment, left eye

  • H31.403

    Unspecified choroidal detachment, bilateral

  • H31.409

    Unspecified choroidal detachment, unspecified eye

  • H31.411

    Hemorrhagic choroidal detachment, right eye

  • H31.412

    Hemorrhagic choroidal detachment, left eye

  • H31.413

    Hemorrhagic choroidal detachment, bilateral

  • H31.419

    Hemorrhagic choroidal detachment, unspecified eye

  • H31.421

    Serous choroidal detachment, right eye

  • H31.422

    Serous choroidal detachment, left eye

  • H31.423

    Serous choroidal detachment, bilateral

  • H31.429

    Serous choroidal detachment, unspecified eye

  • H31.8

    Other specified disorders of choroid

  • H31.9

    Unspecified disorder of choroid

  • H32

    Chorioretinal disorders in diseases classified elsewhere

  • H33.001

    Unspecified retinal detachment with retinal break, right eye

  • H33.002

    Unspecified retinal detachment with retinal break, left eye

  • H33.003

    Unspecified retinal detachment with retinal break, bilateral

  • H33.009

    Unspecified retinal detachment with retinal break, unspecified eye

  • H33.011

    Retinal detachment with single break, right eye

  • H33.012

    Retinal detachment with single break, left eye

  • H33.013

    Retinal detachment with single break, bilateral

  • H33.019

    Retinal detachment with single break, unspecified eye

  • H33.021

    Retinal detachment with multiple breaks, right eye

  • H33.022

    Retinal detachment with multiple breaks, left eye

  • H33.023

    Retinal detachment with multiple breaks, bilateral

  • H33.029

    Retinal detachment with multiple breaks, unspecified eye

  • H33.031

    Retinal detachment with giant retinal tear, right eye

  • H33.032

    Retinal detachment with giant retinal tear, left eye

  • H33.033

    Retinal detachment with giant retinal tear, bilateral

  • H33.039

    Retinal detachment with giant retinal tear, unspecified eye

  • H33.041

    Retinal detachment with retinal dialysis, right eye

  • H33.042

    Retinal detachment with retinal dialysis, left eye

  • H33.043

    Retinal detachment with retinal dialysis, bilateral

  • H33.049

    Retinal detachment with retinal dialysis, unspecified eye

  • H33.051

    Total retinal detachment, right eye

  • H33.052

    Total retinal detachment, left eye

  • H33.053

    Total retinal detachment, bilateral

  • H33.059

    Total retinal detachment, unspecified eye

  • H33.101

    Unspecified retinoschisis, right eye

  • H33.102

    Unspecified retinoschisis, left eye

  • H33.103

    Unspecified retinoschisis, bilateral

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