Blood, blood-forming organs-immune system (D50-D90).
- Purpura Schönlein-Henoch (synonyms: Purpura anaphylactoides; Purpura anaphylactoides, Vasculitis allergica) – usually uncomplicated, immunologically mediated vasculitis (inflammation of small blood vessels) with generalized petechial hemorrhages (pinhead-sized hemorrhages), colicky abdominal pain, inflammation of knee and ankle joints, kidney disease (nephrotic syndrome to terminal renal failure) that occur after infections or from ingestion of drugs or food.
Infectious and parasitic diseases (A00-B99).
- Infectious disease with other unspecified pathogens.
