FB81.Z

ICD-11 MMS 2026-01

Osteonecrosis, unspecified

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
  • 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
  • FB81.5 – Osteonecrosis due to ionizing radiation
  • FB81.6 – Alcohol induced osteonecrosis
  • FB81.Y – Other specified osteonecrosis

Foundation entity

Osteonecrosis – http://id.who.int/icd/entity/536467755

Allowed postcoordination axes

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