Doctor insights on:
False Negative Lupus
HIV testing: This depends upon the test employed. They are generally both sensitive and specific but false positive results do occur. This question can be overcome with further testing, the most specific being PCR for HIV RNA. You should be seen by an expert in the management of HIV disease. ...Read more
Misinformed?: Who told you that your hep c test was false? If you have no viral load that means you cleared an infection. Are you sure you are getting the right advice? ...Read more
Positive ana positive rnp low positive ccp positive dsdna can you tell me if this means lupus or mctd?
?: depends on the clinical picture as well, results point towards auto immune disorder, but need to be put in clinical context and follow up to commit to a diagnosis ...Read more
Av test positive .Ra factor positive .Joint pain .Ccp antibody test negative.Raised esr.Plz diagnose my disease.
Cannot diagnose: Although these lab values are interesting, taken out of the context of your symptoms and findings on physical examination, plus further testing there is no way in which to diagnose over the internet. See a rheumatologist and get appropriately assessed. ...Read more
2009- ELISA HIV test- positive, western blot- neg. 2010-oraquick negative. 2014- elisa-indeterminate wb- neg. Low risk for hiv. Could I have lupus?
Not a test for lupus: The HIV test is not a test for lupus. What's clear is that you don't have hiv. You'll never know why your elisa was positive and then indeterminate, and it's not worth investigating. False positive elisas are not uncommon; that's why they have to be confirmed with western blot. ...Read more
What does this mean ?
SSB(La)IGG Positive 85
SSA(Ro)AB IGG Neg.
SED RATE Neg.
Depends: All lab results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that antibodies to SSA suggest auto-immune disorder, however, if that is the only abnormal test and you do not have any symptoms, I would leave it alone and re-evaluate in six months. ...Read more
Great question: I think dilute urine is the most likely source for false negatives. I am not familiar with other substances outside of the cannabinoid class of compounds (some of the newer synthetics?) that will react with standard immunoassays. If one is concerned, however, about a false positive there is confirmatory testing that can determine for sure whether it was a false positive or not. ...Read more
ANA positive SSA SSB weekly positive SCL weekly positive RNP SM weekly positive. Any implications? What are the differential diagnosis? WaDoes it mean
Pos auto ab tests: You are describing positive tests for auto antibodies. The differential diagnosis can be extensive. I am assuming a rheumatologist has ordered these tests? You need f/u with them to educate you what they mean, what further tests may need to be done and review your symptoms. Proper rheum DX is not based only on test results, but exam findings and symptoms of patient. Good luck. ...Read moreSee 2 more doctor answers
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