Certain disorders involving the immune system

Definition

Disorders in which disturbed immune regulation plays an important part but which cannot be more precisely located elsewhere in the classification.

Exclusions

• Failure or rejection of transplanted organs or tissues (NE84)
• Monoclonal gammopathy of undetermined significance (2A83.0)

6 subordinate codes

• 4B20Sarcoidosis
• 4B21Polyclonal hypergammaglobulinaemia
• 4B22Cryoglobulinaemia
• 4B23Immune reconstitution inflammatory syndrome
• 4B24Graft-versus-host disease
• 4B4YOther specified diseases of the immune system

Nearby in Diseases of the immune system

• 4A00-4A0ZPrimary immunodeficiencies
• 4A20Acquired immunodeficiencies
• 4A40-4A4ZNonorgan specific systemic autoimmune disorders
• 4A60-4A6ZAutoinflammatory disorders
• 4A80-4A8ZAllergic or hypersensitivity conditions
• 4B00-4B0ZImmune system disorders involving white cell lineages
• 4B40Diseases of thymus
• Organ specific autoimmune disorders