All
 C20 Immunologic Diseases D007154 +
 C20.111 Autoimmune Diseases D001327 +
 C20.188 Blood Group Incompatibility D001787 +
 C20.452 Graft vs Host Disease D006086 
 C20.543 Hypersensitivity D006967 +
 C20.673 Immunologic Deficiency Syndromes D007153 +
 C20.683 Immunoproliferative Disorders D007160 +
 C20.841 Purpura, Thrombocytopenic D011696 
 C20.425 Glomerulonephritis, Membranoproliferative D015432