Doctor insights on:
Lyme Disease Inconclusive Test Results
Then it's not Lyme: Lyme disease can be tricky -and you want to make sure you see someone like an Infectious Diseases doctor who knows how to treat it. The diagnosis is actually based on clinical findings, and the lab testing is generally 'supportive'. Since you're Western blot is negative, then it's very unlikely you have Lyme. There are other diseases that could cause 'Lyme-like' symptoms -and good to get evaluated ...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
See below: Please consult this site to see if you have signs of pregnancy, if you do and have missed your period, do a home pregnancy test using first morning urine and follow the instructions carefully. You may wish to see your doctor for a blood test and may be ultrasound exam. http://www.webmd.com/baby/guide/pregnancy-am-i-pregnant. ...Read more
What tests did they do?
-rpr, rfx qn rpr/confirm tp-pa
value (normal range
non reactive (non reactive
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
Difficult matter: This test is only useful when it is Abnormal. But it does not help at all when it is normal panel(which means there is no abnormaility found but it does not exclude any diagnosis because there is nothing predictable about a paraneoplastic panel). So you can not say it is false negative . it is designed to be useful only if it shows an abnormality that supports a clinical diagnosis of cancer . ...Read more
Yes!: No lab test is perfect, including the westen blot for lyme. There is an approximately 4% chance of a positive being a "false positive" test. There is also an approximately 20% chance of false negatives, someone with lyme not having a positive western blot. This is why lyme is ultimately a clinical diagnosis, with labs used to support a diagnosis. Other tests may also be useful. Please see comment:. ...Read more
Depends...: If the test was performed to identify whether you have celiac disease, an unequivocally elevated ttg value is diagnostic for celiac disease. If you are IgA deficient, and the only ttg assayed was iga, you may miss a diagnosis of celiac disease due to a falsely negative result. If you have celiac disease, ttg can be used to assess how compliant you may be with strict dietary gluten avoidance. ...Read more
Is there a link between false postive ELISA HIV test and autoimmune diseases? I had a false pos ELISA HIV test does that mean I have autoimmune disese
That's just not true: We have at least one person here with a false-positive elisa who's obsessed with finding the reasons. Whether or not this is you, you need to stop believing garbage you read on the internet, accept that you are healthy, love safely, and get on with your life. Health doesn't come from trying to self-diagnose. If you have unmanageable fears that you are sick, your personal physician can help. ...Read more
Yes: There are 2 reasons for this kind of result: (1) a false positive, or (2) early infection before seroconversion. In someone at low risk for HIV without symptoms, another negative WB in 1 month means there's no infection. In someone at risk or with symptoms of acute infection, a viral load can be helpful. The new 4th generation antigen/antibody tests will eliminate this problem. ...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
PM/Scl: The paradox of rheumatologic diseases is that there are more lab tests in this area than any other, and they of relatively less value compared to the history and physical findings than in other fields. If your rheumatologist is comfortable with the diagnosis of "scleromyositis", which usually features anti-pm/scl, i'd accept it even with a single negative result, and proceed. ...Read more
Anything is: Possible, and such an important test should always be repeated for confirmation before you are placed on what will almost certainly be a life-long and potentially dangerous medication regimen. See a specialist. ...Read more
Research Tentative: Currently, evidence supports cannabis and its active ingredients as immune-modulating agents, affecting T-cells, B-cells, monocytes, and microglia cells, causing an overall reduction in pro-inflammatory cytokine expression and an increase in anti-inflammatory cytokines. Due to the supporting evidence of cannabinoids as an immune-modulating agent, research focusing on cannabinoids and autoimmunity ...Read more
Av test positive .Ra factor positive .Joint pain.Esr raised.Crp positive. Plz diagnose my disease.
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
Can mean no Dis now.: This is apparently an RNA PCR (polymerase chain reaction) test that determines virus particles, or viral load in the body. This can be negative, but if an immunoblot test was positive, it would mean that you had an infection with hepatitis c and it was cleared. If the immunoblot was negative, then you never had an infection, and if you had an immunoassay and it was positive, then it was wrong. ...Read more
Electrophoresis: Blood counts can suggest thalassemia (small red blood cells). Some thalassemia can be confirmed with electrophoresis, which quantifies the different types of hemoglobin present in rbcs. Similar studies can be done on the parents for additional info. ...Read moreSee 1 more doctor answer
No: no effect on testing.Get a more detailed answer ›
Still waiting for Lyme disease blood test results. If it is positive will i need antibiotics from an IV since I am having neurological symptoms?
I had a blood test (Western Blot), to check for Lyme Disease. The results look strange (0.45). This doesn't look like the result of any WB test I have?
Probably not Lyme: Your Western Blot would need to be above 5 for a conclusive confirmation of Lyme disease. Unless you also had known tick bite, low-grade fever, "erythema migrants", you probably had a viral illness that should resolve on its own. Do discuss this with your primary medical provider or specialist if symptoms persist. ...Read more
Lyme disease ab plus reflex to igg, igm-wb blood test done today. How long for results and how accurate are they?
About a week: The regular lyme test is specific but not very sensitive .There can be many reasons for a false positive result. If it is positive on the screening test it is then sent for the more sensitive western blot test. If the igm test is positive it could represent a recent exposure to lyme disease if the igg is positive it indicates a more distant orast exposure. If the igm is positive you should be eval. ...Read moreSee 1 more doctor answer
How accurate is a LYME DISEASE AB W/REFL TO BLOT (IGG, IGM) Test? My results came back negative but with my symptoms my doctor seemed pretty certain
Not very accurate!:
Lyme testing leaves a lot to be desired. The screening AB via ELISA misses at least HALF of all cases. The Western Blot is a better test and should be done even if the AB test is negative, but most labs do inadequate tests; the best is by IgeneX but even that may miss over 20% of cases! See http://betterhealthguy.com/lyme/testing
and https://tinyurl.com/y8opon3c for much more info! ...Read more
Only: If you recently been bitten by the tick, or where profoundly immunosuppressed. ...Read more
Beginning to think I have Lyme disease, it's the only rational diagnosis I can think of with all my symptoms & no diagnosis yet-what's best way 2 test?
See details: do the Lyme screen blood test and a Western blot test if the screen is positive.mif the screen is negative, you do not have Lyme. ...Read more
If I have had Lyme disease for over 9 months Undiagnosed,& I get bloodtests done now, will it detect it? Are the tests accurate? What's best test? Tks
Blood tests good: Too many to list. Just check with lab for the statistics on that particular test ...Read more
Possibly new culture: There are many tests for lyme, but none are totally reliable. The elisa test is positive in about half of those infected. The western blot test is positive in ~70% of cases, but most labs don't do a thorough enough version- i recommend igenex labs. Pcr tests are positive only ~20% of the time. A new test, a culture by advanced laboratory services may detect lyme in >80% of cases so may be best. ...Read moreSee 1 more doctor answer
Is it possible for a negative Lyme disease test to be wrong? I read online it's correct maybe 60% of the time....
About lab tests...: If a person does a lab test that is correct 60% of the time, that may mean the test result is incorrect 40% of the time. If a patient's symptoms and history are suggestive of Lyme disease, a Lyme disease positive test result will be more likely to be a true positive. If symptoms and history are NOT suggestive of Lyme disease, a positive test result has higher chances of being a false positive. ...Read more
ELISA/West blot.: The 2 main best tests, early or late, are elisa and western blot. Elisa or serology is used for screening for an antibody response to the b. Burgdorferi spirochete responsible for the disease, while the western blot is a specific test that makes sure the positive response is not a false positive, or a reaction to something else. Pcr, or polymerase chain reaction is another possible test. ...Read moreSee 1 more doctor answer
ELISA/West blot.: The 2 main tests are elisa and western blot. Elisa or serology is used for screening to see if there is an antibody response to the b. Burgdorferi spirochete responsible for the disease, while the western blot is a specific test that makes sure the positive response is to this and not a false positive, or a reaction to something else. Pcr, or polymerase chain reaction is another possible test. ...Read more
Western blot & Elisa: The diagnosis is based on the history and physical and early the rash erythema chronicum migrans and immediate therapy is indicated The test your physician can do is to test for Borrelia Burgdorferi. You will have the Elisa test to screen and then the western blot tests for antigens from the Borrelia Burdorferi. Sometimes a PCR test can be used. You can discuss this with your physician. ...Read more
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