Idiopathic inflammatory myopathy

Definition

These comprise a diverse group of syndromes that have in common persistent muscle inflammation of unknown pathophysiology, resulting in damage that affects muscle function. The inflammatory muscle disease can either be acute or chronic in nature.

5 subordinate codes

• 4A41.0Dermatomyositis
• 4A41.1Polymyositis
• 4A41.2Inclusion body myopathy
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Nonorgan specific systemic autoimmune disorders

• 4A40Lupus erythematosus
• 4A42Systemic sclerosis
• 4A43Overlap or undifferentiated nonorgan specific systemic autoimmune disease
• 4A44Vasculitis
• 4A45Antiphospholipid syndrome
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified