An Absolute Basophil Count test determines the number of basophils in blood.
What Is Absolute Basophil Count?
It is important to keep a track of Absolute Basophil Count at regular intervals when a patient is suffering from the symptoms of increasingly high or low basophil count. 
Basophils are among the five types of white blood cells which play an important role while encountering allergic reactions. Basophils also comprise of anticoagulant heparin, which is useful in preventing rapid blood clotting.  A higher or lesser number of Basophils in the blood can be detrimental and cause various types of diseases. In order to keep a track of the number of Basophils, Absolute Basophil Count test is done. 
The test also helps to assess and manage treatments related to infections, neoplastic, allergic, and blood disorders caused by parasites. 
Why Is Absolute Basophil Count Suggested?
An Absolute Basophil Count blood test can be suggested for the following reasons –
- If there are symptoms of CML (chronic myeloid leukemia).
- If there are symptoms of diseases caused by parasites and bacteria.
- If the patient is suffering from Myelodysplastic syndrome.  
What Are the Parameters Measured in Absolute Basophil Count?
The parameters measured in Absolute Basophil Count blood test is 0-300 cells/MCL. 
Side Effects of Absolute Basophil Count
There are no side effects of Absolute Basophil Count blood test.