Abnormal circulating cytokine concentration Abnormal circulating interleukin concentration 2011-06-12T09:16:10Z Abnormality of interleukin secretion Abnormal serum interleukin level HP:0030782 UMLS:C4023530 Abnormality of IL secretion HP:0011117 The concentration of an interleukin (a class of cytokines) is outside the limits of normal. Abnormal serum IL level