FB81.0

ICD-11 MMS 2026-01

Idiopathic aseptic osteonecrosis

Index terms

  • Idiopathic aseptic osteonecrosis
  • idiopathic aseptic necrosis of bone
  • idiopathic aseptic necrosis of bone, site unspecified
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  • idiopathic avascular necrosis of bone
  • Idiopathic aseptic osteochondritis dissecans
  • Idiopathic aseptic osteonecrosis, multiple sites
  • Idiopathic aseptic necrosis of bone, multiple sites
  • Idiopathic aseptic osteonecrosis, shoulder region
  • Idiopathic aseptic necrosis of bone, shoulder region
  • Idiopathic aseptic osteonecrosis, clavicle
  • Idiopathic aseptic osteonecrosis, scapula
  • Idiopathic aseptic osteonecrosis, upper arm
  • Idiopathic aseptic necrosis of bone, upper arm
  • Idiopathic aseptic osteonecrosis, humerus
  • Idiopathic aseptic osteonecrosis, forearm
  • Idiopathic aseptic necrosis of bone, forearm
  • Idiopathic aseptic osteonecrosis, ulna
  • Idiopathic aseptic osteonecrosis, radius
  • Idiopathic aseptic osteonecrosis of carpal lunate
  • Kienböck disease
  • Kienböck disease of adults
  • Kienböck osteochondrosis
  • adult os lunatum osteochondrosis
  • lunate malacia
  • osteochondrosis of carpal lunate
  • Idiopathic aseptic osteonecrosis, hand
  • Idiopathic aseptic necrosis of bone, hand
  • Idiopathic aseptic osteonecrosis, carpus
  • Idiopathic aseptic osteonecrosis, fingers
  • Idiopathic aseptic osteonecrosis, metacarpus
  • Idiopathic aseptic osteonecrosis, pelvic region or thigh
  • Idiopathic aseptic necrosis of bone, pelvic region or thigh
  • Idiopathic aseptic osteonecrosis, femur
  • Idiopathic aseptic osteonecrosis, pelvis
  • Idiopathic aseptic osteonecrosis, lower leg
  • Idiopathic aseptic necrosis of bone, lower leg
  • Idiopathic aseptic osteonecrosis, fibula
  • Idiopathic aseptic osteonecrosis, tibia
  • Idiopathic aseptic osteonecrosis, ankle or foot
  • Idiopathic aseptic necrosis of bone, ankle or foot
  • Idiopathic aseptic osteonecrosis, tarsus
  • Idiopathic aseptic osteonecrosis, toes
  • Idiopathic aseptic osteonecrosis, metatarsus
  • Idiopathic aseptic osteonecrosis, head
  • Idiopathic aseptic necrosis of bone, head
  • Idiopathic aseptic osteonecrosis, neck
  • Idiopathic aseptic osteonecrosis, ribs
  • Idiopathic aseptic osteonecrosis, skull
  • Idiopathic aseptic osteonecrosis, trunk
  • Idiopathic aseptic osteonecrosis, vertebral column

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

  • FB81.1 – 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
  • FB81.Z – Osteonecrosis, unspecified

Foundation entity

Idiopathic aseptic osteonecrosis – http://id.who.int/icd/entity/551598148

Allowed postcoordination axes

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