NCIt definition : Syndromes in which there is a deficiency or defect in the mechanisms of immunity,
either cellular or humoral.;
Alternative definition : FDA: A deficiency of immune response or a disorder characterized by deficient immune
response.; NCI-GLOSS: The inability of the body to produce an immune response.;
FDA table : Patient Code (Appendix B);
Codes from synonyms : 2156; CDR0000045724; CDR0000046357;