Deﬁnitive diagnosis is achieved only when the biting<unk>  is positively identiﬁed
Labs
May be remarkable for hemolysis, hemoglobinuria, and hematuria
Coagulopathy may be present (elevated ﬁbrin split products, decreased fibrinogen concentrations, and a positive D-dimer)
Increased PT and PTT
May be remarkable for hemolysis, hemoglobinuria, and hematuria
Coagulopathy may be present (elevated ﬁbrin split products, decreased fibrinogen concentrations, and a positive D-dimer)
Increased PT and PTT
Brown recluse spider bite
Hymenoptera stings 
Armed spider bite
Mammalian bites
Octopus bite
Closed fist infection 
Funnel-web spider bite
Dog bite