Monarch Disease Ontology identifier MONDO_0011136 (Quebec platelet disorder) can be described as follows. Quebec platelet syndrome (QPS) is a platelet granule disorder characterized by moderate to severe bleeding after trauma, surgery or obstetric interventions, frequent ecchymoses, mucocutaneous bleeding and muscle and joint bleeds. Also known as: BDPLT5, factor V Quebec, platelet-type bleeding disorder 5.