<unk>  in an infant without<unk> <unk>  supplementation with elevated prothrombin time (PT) that is corrected by<unk> <unk>  administration is typically sufficient to make the diagnosis. Confirmation, or investigation of minor<unk> , can be performed by testing proteins produced in the absence of<unk> <unk> , the most established assay being for PIVKA-II.
Vitamin K deficiency bleeding
Contaminated haemophilia blood products
Venom-induced consumption coagulopathy
Cold autoimmune hemolytic anemia
Quebec platelet disorder
Acquired haemophilia
Postcoital bleeding
Thrombophilia