The full form of CTBT in Medical is Clotting Time and Bleeding Time. This is a blood test that is used for checking the bleeding time and the clotting time of the blood. You would not usually need this test until you are going for surgery. The test may also be recommended for people who are having prolonged bleeding because of an injury. The test is important as it can help doctors prevent excessive blood loss during surgery.
The other reasons why you may need a CTBT test are if you are suffering from epistaxis and platelet disorder or a coagulation disorder. The test is easy to perform, and a small cut is given to your finger. The bleeding and clotting times are then calculated, and the report is generated. The normal range for the BT is 2 to 7 minutes, and for the clotting time, it is 8 to 15 minutes. The results may vary depending on your condition or if you are on blood thinners.
There is no other known full form of CTBT.