The adenosine deaminase (ADA) serum test measures the level of the ADA enzyme in the blood. ADA is crucial for purine metabolism and is particularly important in the immune system, where it helps regulate lymphocyte activity. Elevated ADA levels can be indicative of various conditions, including tuberculosis (TB), certain types of cancer, and autoimmune disorders. The test involves drawing a blood sample, which is then analyzed to determine ADA concentration. It is often used to diagnose or monitor TB, especially in patients with pleural effusion. Accurate interpretation of ADA levels requires considering other clinical information and test results, as elevated levels alone are not diagnostic.
Frequently Asked Questions
The test measures the level of the enzyme adenosine deaminase in the blood, which is involved in purine metabolism and immune function.
A blood sample is drawn from a vein in your arm and then analyzed in a laboratory to determine the ADA level.
Normal ADA levels can vary, but they are generally within the range of 4 to 20 U/L. Your healthcare provider will interpret results based on your specific health context.
Normal ADA levels can vary, but they are generally within the range of 4 to 20 U/L. Your healthcare provider will interpret results based on your specific health context.
Consult your healthcare provider for a thorough evaluation. They will consider your overall health, symptoms, and other test results to determine the next steps.
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