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
  • H11.222

    Conjunctival granuloma, left eye

  • H11.223

    Conjunctival granuloma, bilateral

  • H11.229

    Conjunctival granuloma, unspecified

  • H11.231

    Symblepharon, right eye

  • H11.232

    Symblepharon, left eye

  • H11.233

    Symblepharon, bilateral

  • H11.239

    Symblepharon, unspecified eye

  • H11.241

    Scarring of conjunctiva, right eye

  • H11.242

    Scarring of conjunctiva, left eye

  • H11.243

    Scarring of conjunctiva, bilateral

  • H11.249

    Scarring of conjunctiva, unspecified eye

  • H11.30

    Conjunctival hemorrhage, unspecified eye

  • H11.31

    Conjunctival hemorrhage, right eye

  • H11.32

    Conjunctival hemorrhage, left eye

  • H11.33

    Conjunctival hemorrhage, bilateral

  • H11.411

    Vascular abnormalities of conjunctiva, right eye

  • H11.412

    Vascular abnormalities of conjunctiva, left eye

  • H11.413

    Vascular abnormalities of conjunctiva, bilateral

  • H11.419

    Vascular abnormalities of conjunctiva, unspecified eye

  • H11.421

    Conjunctival edema, right eye

  • H11.422

    Conjunctival edema, left eye

  • H11.423

    Conjunctival edema, bilateral

  • H11.429

    Conjunctival edema, unspecified eye

  • H11.431

    Conjunctival hyperemia, right eye

  • H11.432

    Conjunctival hyperemia, left eye

  • H11.433

    Conjunctival hyperemia, bilateral

  • H11.439

    Conjunctival hyperemia, unspecified eye

  • H11.441

    Conjunctival cysts, right eye

  • H11.442

    Conjunctival cysts, left eye

  • H11.443

    Conjunctival cysts, bilateral

  • H11.449

    Conjunctival cysts, unspecified eye

  • H11.811

    Pseudopterygium of conjunctiva, right eye

  • H11.812

    Pseudopterygium of conjunctiva, left eye

  • H11.813

    Pseudopterygium of conjunctiva, bilateral

  • H11.819

    Pseudopterygium of conjunctiva, unspecified eye

  • H11.821

    Conjunctivochalasis, right eye

  • H11.822

    Conjunctivochalasis, left eye

  • H11.823

    Conjunctivochalasis, bilateral

  • H11.829

    Conjunctivochalasis, unspecified eye

  • H11.89

    Other specified disorders of conjunctiva

  • H11.9

    Unspecified disorder of conjunctiva

  • H15.001

    Unspecified scleritis, right eye

  • H15.002

    Unspecified scleritis, left eye

  • H15.003

    Unspecified scleritis, bilateral

  • H15.009

    Unspecified scleritis, unspecified eye

  • H15.011

    Anterior scleritis, right eye

  • H15.012

    Anterior scleritis, left eye

  • H15.013

    Anterior scleritis, bilateral

  • H15.019

    Anterior scleritis, unspecified eye

  • H15.021

    Brawny scleritis, right eye

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