Q and A


What does the number mean on an HIV test result?

My ELISA test index value is 0.38. I am non reactive. Is there any risk in this value?



Some tests (not in the UK) include a number with the result.

  • If the number is higher than¬†1.0 it means you are positive.
  • If the number on your test is less that 1.0 it means you are negative.

So long as it is below 1.0 the number itself has little meaning. For examples 0.68 is not worse than 0.38. A higher number below 1.0 does NOT indicate a higher chance of having HIV.

If the number is close to 1.0 – for example between 0.9 and 1.0, the test might be run again.

Please see this link for more.

Information on this website is provided by treatment advocates and offered as a guide only. Decisions about your treatment should always be taken in consultation with your doctor.

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