autohemolysis

noun

au·​to·​he·​mo·​ly·​sis

variants or chiefly British autohaemolysis

-hi-ˈmäl-ə-səs  -ˌhē-mə-ˈlī-səs 

plural autohemolyses -ˌsēz 

: hemolysis of red blood cells by factors in the serum of the person from whom the blood is taken