FB81.5

ICD-11 MMS 2026-01

Osteonecrosis due to ionizing radiation

Description

Necrosis of bone attributable to ionizing radiation, most commonly seen affecting the mandible following radical radiotherapy for the treatment of head and neck cancer or the chest wall following radiotherapy for breast cancer.

Index terms

  • Osteonecrosis due to ionizing radiation
  • osteoradionecrosis

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
Show allHide
  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes
  • DA0E.8 – Temporomandibular joint disorders

Sibling codes

  • FB81.0 – Idiopathic aseptic osteonecrosis
  • FB81.1 – Osteonecrosis due to dialysis
  • FB81.2 – Drug-induced osteonecrosis
  • FB81.3 – Osteonecrosis due to trauma
  • FB81.4 – Osteonecrosis due to haemoglobinopathy
  • FB81.6 – Alcohol induced osteonecrosis
  • FB81.Y – Other specified osteonecrosis
  • FB81.Z – Osteonecrosis, unspecified

Foundation entity

Osteonecrosis due to ionizing radiation – http://id.who.int/icd/entity/2043942865

Allowed postcoordination axes

Part of: FB81: Osteonecrosis › 15: Diseases of the musculoskeletal system or connective tissue