Bleeding time is not prolonged in-
Bleeding time is prolonged in all the platelet disorders like ITP ,TTP and heparin and also prolonged in all types of coagulation disorders and DIC Where is it is normal in vascular diseases like vascular purpuras Reference: textbook of Pathology, 7th edition author Harsha Mohan, page number 317
Von Willebrand's disease
Christmas disease
Haemophilia
Polycythemia
Haematology