The time required for venous blood to clot in a test tube is called coagulation time.
What is coagulation time?
- The amount of time needed for a blood sample to coagulate in vitro under typical circumstances is known as the coagulation time. 
- There are several ways to calculate the clotting time, with the capillary tube method being the most used. 
- Numerous diseases and calcium ion levels both have an impact on it.
- The anticipated time span is 4 to 10 minutes. 
- Finding bleeding disorders that are most likely caused by a lack of clotting factors is advised by Clotting Time. 
- Hemophilia to be identified. It is no longer important due to other tests. 
- The Lee-white method was used to calculate clotting time, however it was laborious, insensitive, and nonreproducible.
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