Osteonecrosis

Description

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

Inclusions

avascular necrosis of bone

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

Child 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
FB81.Z – Osteonecrosis, unspecified

Sibling codes

FB80 – Certain specified disorders of bone density or structure
FB82 – Chondropathies
FB83 – Low bone mass disorders
FB84 – Osteomyelitis or osteitis
FB85 – Paget disease of bone
FB86 – Disorders associated with bone growth
FB8Y – Other specified osteopathies or chondropathies
FB8Z – Osteopathies or chondropathies, unspecified

Foundation entity

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

Allowed postcoordination axes

Part of: 15: Diseases of the musculoskeletal system or connective tissue