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    bobbi07's Avatar
    bobbi07 Posts: 1, Reputation: 1
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    #1

    Mar 27, 2007, 10:32 AM
    Blood Test Results
    How can a blood test result for ANA be positive for 10 or more years and then become negative for the last year?
    J_9's Avatar
    J_9 Posts: 40,298, Reputation: 5646
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    #2

    Mar 27, 2007, 12:41 PM
    Are you being tested for Lupus? I don't see in my text (Labratory and Diagnostic Tests with Nursing Implications) that this is possible. You may need a repeat blood test.
    inthebox's Avatar
    inthebox Posts: 787, Reputation: 179
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    #3

    Mar 31, 2007, 09:03 PM
    AN ana [ anti nuclear antibody ] test is not specific. That is, there can be plenty of false positives.

    The diagnosis of Lupus /sle is made on the basis of your history, if any , of particular symptoms, as well as on more specific lab tests [ such as anti double stranded dna antibodies ] .
    linda r's Avatar
    linda r Posts: 7, Reputation: 2
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    #4

    Apr 7, 2007, 05:41 AM
    The ANA or anti-nuclear antibody test can have varying results. A positive ANA can be caused by a number of things. Sometimes it is a clue that a person has lupus. There is no single definitive laboratory test that indicates lupus, rather if a patient meets 4 or the 11 symptoms set out by the American Coillege of Rheumatology and other conditions have been ruled out, then lupus is a real consideration.

    I have lupus. If you tested me right now, I would probably have a negative ANA. Why? The disease is quiet at the moment.
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