FB30

ICD-11 MMS 2026-01

Infectious myositis

Description

Infective myositis is an acute, subacute, or chronic infection of skeletal muscle and may be caused by a wide range of infecting organisms. Immunosuppression, particularly as the result of HIV infection, is an important predisposing factor.

Index terms

  • Infectious myositis
  • Bacterial myositis
  • Bacterial pyomyositis
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  • Tropical muscle abscess
  • Tropical pyomyositis
  • Fungal myositis
  • Viral myositis
  • Mycobacterial myositis
  • Infection of muscle due to mycobacteria
  • Iliopsoas abscess due to non-tuberculous mycobacteria
  • Tuberculous iliopsoas abscess
  • Tuberculous psoas abscess
  • Parasitic myositis
  • Muscle abscess
  • Purulent myositis
  • Pyomyositis
  • Suppurative myositis

Exclusions from above levels

  • 8C70 – Muscular dystrophy
  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 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

Foundation children elsewhere

  • 1C16 – Gas gangrene

Sibling codes

  • FB31 – Calcification or ossification of muscle
  • FB32 – Certain specified disorders of muscle
  • FB33 – Secondary disorders of muscle
  • FB3Z – Disorders of muscles, unspecified

Foundation entity

Infectious myositis – http://id.who.int/icd/entity/82568660

Allowed postcoordination axes

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