Activated Partial Thromboplastin Time (APTT) Test is a non-invasive diagnostic procedure that takes a blood sample to assess the blood’s ability to form blood clots. Doctors may prescribe this test to patients suffering from frequent or heavy nosebleeds, prolonged or heavy menstrual bleeding, blood in urine, painful & swollen joints and easy bruising.
Why get tested?
Activated Partial Thromboplastin Time (APTT) Test is performed to:
To determine the cause of nose bleeding and clotting disorders To assess the risk of bleeding before a surgical process To diagnose the cause of recurrent miscarriages
The patient should wear a half-sleeved T-shirt so that the blood can be drawn easily.
In order to avoid misdiagnosis, the patient must share his/ her medical history with the doctor before taking the test.
Some medicines may alter the test results and thus it is advised to avoid taking certain medicines before undergoing the test. The medicines include heparin, chlorpromazine, antihistamines, aspirin, warfarin, vitamin C and warfarin. If the patient is taking any of the mentioned medicines, he/she must discuss it with the doctor so as to avoid any lab contraindications.
It is advisable to take this test in the morning for accurate results.
Frequently asked questions
Q.Is it safe to take Activated Partial Thromboplastin Time (APTT) Test?
Yes, it is absolutely safe to take Activated Partial Thromboplastin Time (APTT) Test. It is a non-invasive diagnostic procedure that uses a small amount of blood to assess the capability of blood to form blood clots. However, the patient should ensure that the lab technician takes care of cleanliness and hygiene.
Q.What do the results of Activated Partial Thromboplastin Time (APTT) Test denote?
Activated Partial Thromboplastin Time (APTT) Test helps assess the blood’s ability to coagulate. Abnormal test results may be due to disseminated intravascular coagulation (a condition in which the proteins responsible for blood clotting are overactive) or hypofibrinogenemia (deficiency of the blood clotting factor fibrinogen).