Individual tests

Inflammation is your immune system's response to injury, infection, and certain cancers. It can also result from blood or immune system disorders. An erythrocyte sedimentation rate (ESR) is a blood test that identifies inflammation in your body.
Immunoglobulin A (IgA) is mainly found in saliva, tears, respiratory and gastric secretions, and breast milk. IgA protects against infection in the respiratory tract (sinus and lungs) and the gastrointestinal tract (stomach and intestines). This test checks your immune system for disorders if you are often sick with infections or diarrhea and can help detect certain types of cancer.
IgG antibodies are essential for fighting bacterial and viral infections. Most of the immunoglobulins in your blood are IgG. This test helps check your immune system health if you are often sick with infections or diarrhea. It also detects certain types of autoimmune disorders and cancer.
IgM (Immunoglobulin M) are your immune system's largest antibodies. They provide general but short-term protection against new infections. This test checks immune system health if you are frequently sick with infections or diarrhea and helps detect autoimmune disorders and certain types of cancer.
Your muscle tissue and red blood cells produce lactic acid, which rises in level as oxygen decreases. A lactic acid test can help diagnose lactic acidosis, find out if enough oxygen is reaching the body's tissues, and diagnose sepsis, a life-threatening reaction to bacterial infection.
During serious bacterial infection, the cells in many parts of your body release procalcitonin into your bloodstream. A high procalcitonin level in your blood may indicate a serious infection or sepsis. This test helps diagnose or rule out bacterial infection and/or sepsis, determining how serious the infection may be and helping with treatment decisions and monitoring treatment effectiveness.
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