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Immunodeficiency due to a late component of complement deficiency

Disease definition

Immunodeficiency due to a late component of complement deficiency is a primary immunodeficiency due to an anomaly in either complement components C5, C6, C7, C8 or C9 and is typically characterized by meningitis due to often recurrent meningococcal infections. The prognosis is generally favorable.


Classification level: Disorder
  • Synonym(s):
    • Immunodeficiency due to C5 to C9 component complement deficiency
    • Terminal complement pathway deficiency
  • Prevalence: -
  • Inheritance: -
  • Age of onset: -
  • ICD-10: D84.1
  • OMIM: 609536  610102  612446  613789  613790  613825
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -
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