Hepatitis B surface antigen (HBsAg) is a blood test ordered to determine if someone is infected with the hepatitis B virus. If it is found, along with specific antibodies, it means the person has a hepatitis B infection.
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The total testosterone test measures testosterone that is bound to proteins in the blood as well as testosterone that is not bound (free testosterone).
A TPO test detects antibodies against TPO in the blood. If you’ve been diagnosed with thyroid disease, your doctor may recommend a TPO antibody test — in addition to other thyroid tests — to help determine the cause.
A uric acid test measure the uric acid content in your blood. Uric acid is a waste product produced when the body breaks down purines, which are chemical substances present in DNA, RNA and in your diet too.