ICD-11 classes
15 Diseases of the musculoskeletal system or connective...
Osteopathies or chondropathies
FB81 — Osteonecrosis

ICD-11 FB81 — Osteonecrosis

Osteonecrosis is the medical term for death of bone tissue that occurs when the supply of blood to the bone is cut off for some reason. Doctors sometimes refer to the condition as avascular necrosis, aseptic necrosis or ischemic bone necrosis

It includes 1 item.

  • avascular necrosis of bone

The diagnosis excludes nothing.

Diagnosis with code FB81 contains 8 clarifying diagnoses:

  1. FB81.0 — Idiopathic aseptic osteonecrosis
  2. FB81.1 — Osteonecrosis due to dialysis
  3. FB81.2 — Drug-induced osteonecrosis
  4. FB81.3 — Osteonecrosis due to trauma
  5. FB81.4 — Osteonecrosis due to haemoglobinopathy
  6. FB81.5 — Osteonecrosis due to ionizing radiation
  7. FB81.Y — Other specified osteonecrosis
  8. FB81.Z — Osteonecrosis, unspecified

The diagnosis is coded elsewhere:

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