Synonyms: aPTT, partial thromboplastin time, activated partial thromboplastin time, Kaolin Cephalin Clotting Time (KCCT)
Material: Citrated plasma
Method: coagulometric
Daily
Preanalytics: 48 hours at room temperature
Indication:
Detection of coagulation factor deficiencies Detection of Vitamin K deficiency/ antagonism: anticoagulant rodenticide, synthetic liver failure, cholestatic liver disease, drug interferences Screening hemostatic disorders Monitoring of vitamin K therapy