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Negative ANA

Discussion in 'Diagnostic Guidelines and Laboratory Testing' started by vamah, May 11, 2014.

  1. vamah

    vamah Senior Member

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    Washington , DC area
    Does a negative ANA mean I can rule out all autoimmune, or only some?
     
  2. Ema

    Ema Senior Member

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    Midwest USA
    It means you can't really rule out anything unfortunately.

    It's very general and it's totally possible to have autoimmune diseases and be ANA negative. It's more rare but it definitely happens, especially if you have low levels of antibodies in general.
     
    JBB and WillowJ like this.

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