9A76

ICD-11 MMS 2026-01

Corneal ulcer

Description

Loss of epithelial tissue from the surface of the cornea due to progressive erosion and necrosis of the tissue. It is often caused by bacterial, fungal, or viral infection.

Index terms

  • Corneal ulcer
  • cornea ulcer
  • corneal ulcer NOS
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  • ulcerative keratitis
  • Central corneal ulcer
  • Ring corneal ulcer
  • Corneal ulcer with hypopyon
  • hypopyon ulcer
  • Marginal corneal ulcer
  • Mooren's corneal ulcer
  • Mooren ulcer
  • Mycotic corneal ulcer
  • fungal ulcer of cornea
  • Perforated corneal ulcer
  • corneal perforation
  • perforation of cornea
  • Acanthamoeba ulcer of cornea
  • Bacterial ulcer of cornea
  • Herpetic ulcer of cornea
  • Superficial ulcer of cornea
  • Xerosis of cornea with ulceration

Inclusions

  • Central corneal ulcer
  • Ring corneal ulcer
  • Corneal ulcer with hypopyon
  • Marginal corneal ulcer
  • Mooren's corneal ulcer
  • Perforated corneal ulcer

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes
  • 8A21.0 – Posterior cortical atrophy

Sibling codes

  • 9A70 – Hereditary corneal dystrophies
  • 9A71 – Infectious keratitis
  • 9A72 – Traumatic keratitis
  • 9A73 – Exposure keratitis
  • 9A74 – Neurotrophic keratitis
  • 9A75 – Autoimmune keratitis
  • 9A77 – Corneal scars or opacities
  • 9A78 – Certain specified disorders of cornea
  • 9A79 – Keratoconjunctivitis sicca
  • 9A7A – Corneal abscess
  • 9A7B – Sclerosing keratitis
  • 9A7Y – Other specified disorders of the cornea
  • 9A7Z – Disorders of the cornea, unspecified

Foundation entity

Corneal ulcer – http://id.who.int/icd/entity/2089700977

Allowed postcoordination axes

Part of: 09: Diseases of the visual system