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ELISA Tests (cont.)

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How long does it take to get ELISA test results?

Depending on what the test is being used for, you may get results as quickly as about 24 hours if the test is done locally. However, there are some tests that may take days to weeks.

What do the results of an ELISA test mean?

There are many hundreds of variations of ELISA tests. The results and their meaning depend on what is being tested. For example, an ELISA test for viral RNA can detect it (a positive test), not detect it (a negative test), or be indeterminate (borderline test). Rarely, it may result in a false negative or false positive result. If you have an ELISA test done, the best approach is to ask your physician what the results of the test mean to your individual situation.


Bonilla, Francisco A. "Function and clinical applications of immunoglobulins." Jan. 2017. <>.

Medically Reviewed by a Doctor on 2/23/2017


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