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What Is the ELISA Test?

If your doctor suspects you have one of several diseases, they may want to perform an “enzyme-linked immunosorbent assay” test. This is more commonly known as an ELISA test, and it can help to confirm your diagnosis. An ELISA test is a blood test that looks for antibodies in your bloodstream.

If certain antibodies are present, it is a sign that your immune system is trying to fight off the disease. There are many companies available that provide various types of ELISA kits. You can also navigate to check NGF elisa.

What can the ELISA diagnostic test help with?

An ELISA test can help identify situations that cause your immune system to produce antibodies. Some diseases cannot be easily identified by other means, such as a swab test. In these cases, a blood ELISA test can help identify signs of infection or disease in your system.

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Conditions that an ELISA test can help identify include:


• Lyme disease

• COVID-19

• Malignant anemia

• Typhoid of the Rocky Mountains

• Squamous cell carcinoma

• Syphilis

How does the ELISA test work?

ELISA uses special enzymes that bind to antibodies in your blood. This test involves mixing a blood sample with a known compound on a special absorbent plate. Depending on your doctor's diagnosis, the test can use many different enzymes and identify many different antibodies.

If your blood contains the antibodies your doctor is looking for, the enzymes in the dish will stick to them. A positive test causes the plate to change color, whereas a negative test does not. Depending on the changes, the lab can determine if you have certain conditions. In some cases, they can even tell how serious the condition is.