ISTH DIC Score

Taylor FB Jr, Toh CH, Hoots WK, Wada H, Levi M; Scientific Subcommittee on DIC of the ISTH. Towards definition, clinical and laboratory criteria, and a scoring system for disseminated intravascular coagulation. Defines the overt-DIC score from platelet count, a fibrin-related marker, prothrombin time prolongation and fibrinogen.

Toh CH, Alhamdi Y, Abrams ST. Current pathological and laboratory considerations in the diagnosis of disseminated intravascular coagulation. Table 1 reproduces the ISTH criteria used here: apply only with an underlying disorder associated with overt DIC; ≥ 5 compatible with overt DIC (repeat scoring daily); < 5 suggestive of non-overt DIC (repeat within 1–2 days).