1. Yaitali: imatha kuwoneka mu hemophilia A, hemophilia B, matenda a chiwindi, matumbo oletsa kubereka, oral anticoagulants, kufalikira kwa intravascular coagulation, hemophilia wofatsa;FXI, FXII kuchepa;magazi Anticoagulant zinthu (coagulation factor inhibitors, lupus anticoagulants, warfarin kapena heparin) kuchuluka;magazi ochuluka osungidwa anaikidwa.
2. Kufupikitsa: Zitha kuwoneka mu hypercoagulable state, thromboembolic matenda, ndi zina zotero.
Mndandanda wamtengo wamba
Mtengo wanthawi zonse wa activated partial thromboplastin (APTT): masekondi 27-45.