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Doctor insights on: Anachoice Vs Ana Ifa

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What does ANA ifa results 1:80 mean?

What does ANA ifa results 1:80 mean?

ANA : An ANA titer of 1:80 often times means nothing as it can be encountered in completely healthy individuals. If there are associated signs and symptoms and/or associated inflammatory markers and antibodies, then it may mean something. It can be seen in various disease processes, usually auto-immune connective tissue/rheumatologic. ...Read more

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Ana (Definition)

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


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What is the difference between the anachoice screen and the ANA screen, ifa? The first one came back positve, but the second came back negative.

What is the difference between the anachoice screen and the ANA screen, ifa? The first one came back positve, but the second came back negative.

IFA better: For a screen the ifa is much better. It is the gold standard. The ANA choice is not a screening test and should not be offered as a screening test. Your question is somewhat counter intuitive. The ifa is a better test and if choice is positive - it can be subseted into 12 antigens and the lab can tell you. I would follow your test results with ANA subsets per your rheumatologist. ...Read more

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What is the difference between the anachoice screen and the ANA screen, ifa? The first one came back positve, but the second came back negative.

What is the difference between the anachoice screen and the ANA screen, ifa? The first one came back positve, but the second came back negative.

Diff. lab techniques: Different labs have different ANA tests, which is a test for antibodies a person makes that attach to his own body's tissues, that end up causing auto-immune disease. Modern tests use "reflex" or "cascade" techniques, meaning one test is done first, and then if positive, another test is done, and then if positive again, a third test is done. Tests have various "positive" ranges (gets complicated). ...Read more

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What does t means a positive ANA test and ifa?

What does t means a positive ANA test and ifa?

Only a test and: Only a test and that result suggests that it is not the standard assay. If there are general body symptoms, then a rheumatologist would be helpful. ...Read more

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Which test is more preferred by doctors: the "ANA IFA" or the "ANA Direct?" Which one is more accurate of the two?

Different info: The tests are similar but differ in the details of information provided. A positive ANA, by itself is only a screening test and is not diagnostic of a disease. Further testing is usually needed, depending on the clinical picture. ...Read more

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Ana screen, ifa positive a (negative) means?

Nothing by itself: One person in four tests positive. The vast majority of these people have no problems. The clinical picture is key, and how high the titer is may be helpful. ...Read more

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What does titer with 180H with ANA IFA positive and homogeneous pattern mean?

ANA explanation: ANA are antinuclear antibodies which are seen in Systemic Lupus and some other disorders. Titer means how many dilutions in the test are still positive. The higher the number the more significant the test is clinically. 1:10-1:40 is low; 1 :80-1:320 is modest;1:680 and higher is high and very significant. Homogeneous is the most non-specific pattern seen even in drug-induced SLE.See your above. ...Read more

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Why would ANA direct be positive 3 years, but then IFA method be negative? Scl70 antibodies were elevated and still are at 5.2! Direct false then?

ANA are being check : With two methods currently, one with ELISA, which is cheaper and more commercially available and read by machine. The other one with IFA, which is less prevalent, more expensive, more labor intense as it is interpreted by trained technician and of course the accuracy is better with latter. Scl70 antibody is important but without positive history and physical finding it is almost meaningless. ...Read more

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What is the definition or description of: ANA ifa screen?

A lab test.: Anti-nuclear antibodies (anas) are autoantibodies directed against certain parts of a cell nucleus. Anas are present in increased amounts in a variety of autoimmune diseases. An ANA test measures the pattern and amount of these autoantibodies that can attack the body's tissues as if they were foreign. An indirect fluorescent antibody (ifa) test is one that uses two antibodies for detection. ...Read more

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