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A member asked:
Why do lupus tests sometimes come back negative?
5 doctors weighed in across 2 answers
Not 100 %: There re several tests for lupus ana, double stranded dna and none of these tests is 100 per cent reliable for the diagnosis of lupus. A similar situation occurs in rheumatoid arthritis where there seedless negatives as well as false positives. If there is akin involvement a skin biopsy for direct exam as well as immunoflourescence can help with diagnosis.
Answered 2/25/2017
6.1k views
Depends: Which tests are you thinking of? Certain tests can improve because you have a chance that the lupus activity is down. Sometime tests are negative because of laboratory error. Sometimes blood tests are negative because you have also developed certain blocking substances that can interfere with the test. This all depends on your status, lupus activity, immunologic responses, etc.
Answered 10/23/2017
5.4k views
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