FB32.20

ICD-11 MMS 2026-01

Idiopathic rhabdomyolysis

Description

Skeletal muscle breakdown with leakage of muscle contents, frequently accompanied by myoglobinuria, occurring in both adult and paediatric populations with no identifiable cause. The attacks are often recurrent. Renal failure due to tubular necrosis is a severe complication.

Index terms

  • Idiopathic rhabdomyolysis
  • rhabdomyolysis NOS

Excludes

  • http://id.who.int/icd/entity/1159616108 – Secondary myopathies
  • http://id.who.int/icd/entity/1425591047 – Myasthenia gravis or certain specified neuromuscular junction disorders

Exclusions from above levels

  • NF0A.6 – Volkmann ischaemic contracture
  • 8D44.1 – Alcoholic myopathy
  • 8E4A.0 – Stiff person syndrome
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  • FB56.2 – Myalgia
  • http://id.who.int/icd/entity/833816211 – Primary disorders of muscles
  • MB47.3 – Cramp or spasm
  • 8C70 – Muscular dystrophy
  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 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

  • FB32.2Y – Other specified ischaemic infarction of muscle
  • FB32.2Z – Ischaemic infarction of muscle, unspecified

Foundation entity

Idiopathic rhabdomyolysis – http://id.who.int/icd/entity/2029533852

Allowed postcoordination axes

Part of: FB32.2: Ischaemic infarction of muscle › FB32: Certain specified disorders of muscle › 15: Diseases of the musculoskeletal system or connective tissue