DO_rare_slim has material basis in autosomal recessive disease immunodeficiency 20 A primary immunodeficiency disease characterized by a defect in spontaneous NK cell cytotoxicity that has_material_basis_in homozygous or compound heterozygous mutation in the FCGR3A gene on chromosome 1q23.3. DOID:0111941 disease_ontology MIM:615707 ORDO:437552 CD16 deficiency IMD20 autosomal recessive primary immunodeficiency with defective spontaneous NK cell cytotoxicity autosomal recessive primary immunodeficiency with defective spontaneous natural killer cell cytotoxicity primary immunodeficiency disease autosomal recessive inheritance