9A21.2

ICD-11 MMS 2026-01

Orbital abscess

Index terms

  • Orbital abscess
  • Intraorbital abscess
  • Retrobulbar abscess

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

  • 9A21.0 – Orbital cellulitis
  • 9A21.1 – Orbital subperiosteal abscess
  • 9A21.3 – Periostitis of orbit
  • 9A21.Y – Other specified orbital infection
  • 9A21.Z – Orbital infection, unspecified

Foundation entity

Orbital abscess – http://id.who.int/icd/entity/1578799163

Allowed postcoordination axes

Part of: 9A21: Orbital infection › 09: Diseases of the visual system