My Doctor said my lupus test came back "borderline positive." What does this mean?
The screening test for lupus is called the ANA (antinuclear antibody). All lab tests have normal values. If a test result comes back and the value is at the upper limit of normal, this is often referred to as being on the border or borderline. These results are often very difficult to interpret; and the assessment of its importance is dependent on meeting other criterion. It is likely that a borderline positive ANA assumes more importance if other criteria are also present.
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