White blood cells are activated by a protein called adenosine deaminase (ADA) in order to defend the body against infection. The ADA is assessed with a test called the adenosine deaminase serum. It aids in the diagnosis of tuberculosis (TB), which raises ADA levels. This test also determines whether the lining of the lungs may have been affected by tuberculosis. Chest pain, breathing issues, and coughing are TB symptoms. Other illnesses also frequently exhibit same symptoms. As a result, this test aids in an accurate diagnosis and prompt treatment. Additionally, if a person has a weakened immune system, lives close to an infected person, or is at a higher risk of developing TB, it may be administered.