Doctor insights on:
False Positive Ana Results
I have a positive ANA and a positive anti SSA Ro >8.. I have been tested 3 times with the same results is there a possibility it's a false positive after 3 positives?
It's real: However, the question is, "What do you do with the information?" This doesn't prove you have lupus / Sjogren's, or that you don't. It's part of the big picture on which treatment decisions will be made. Good luck and I'm glad you're taking a proactive approach. ...Read moreSee 1 more doctor answer
An "ana" is a blood test used to screen a person for the possibility of several autoimmune diseases. It is important to remember that this is a screening test and a positive result only indicates more testing may be warranted. No blood test is perfect, and getting to a diagnosis is usually much more complex than drawing blood and looking at a number ...Read more
Positive Ana and dsdna. Retest showed neg ana and dsdna, but low c4. What does the low c4 mean? Were first results false positive?
Complex: sample handling, timing and transport are important, the process is delicate and constitutes multiple steps at different temperatures, and the results are interpreted in context with the clinical picture, just ask your doctor / rheumatologist for interpretation, if just suspicion, observation and follow up are the way to go for many clinicians, wish you wellness ...Read more
In dec. 2010 i had a positive ANA 1.160 dr said it was a false positive now 2/2013 it is now 1:80 what does this mean? What do you suggest?
I know you get this a lot, but i had ANA positive 1:80 speckled. I kind or know that these can be a false positive.What dose the flag a & range n mean?
ANA titer matters.: ANA, or anti-nuclear antibody, is a a sensitive and specific test for systemic lupus erythematosus ONLY at high titer >1:320. Up to one in ten HEALTHY women can have a positive low-titer ANA, 1:40 or 1:80, which does NOT indicate lupus. Only a high-titer ANA can be used to diagnose lupus. To measure clinical activity in lupus, a different antibody called anti-double stranded DNA is measured. ...Read moreSee 2 more doctor answers
ANA test: In general the ANA test has a high sensitivity. That means that it is a good screening test but is not as specific for a disease. It can be thrown off by other factors yes. Take a look at the many specific antibodies that can be tested on wikipedia. Its best to go based on clinical suspicion when it comes to antibody workups for Lupus or other similar conditions. http://en.wikipedia.org/wiki/ ...Read moreSee 2 more doctor answers
3 low titers of positive ANA 2 were 1:80 and 1 :160 all enas negative now ANA negative does that lean more toward false positive?
See below: Yes, the odds are more than likely false positive. ...Read more
Can birth control cause false positive ANA and dsdna using mia testing method? How reliable is this testing method?
Not necessarily: It is pretty unlikely that could be causing those tests to be positive. It does occur on occasion however but i would look for other issues. It could be false-positive. ...Read more
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