What does non reactive mean in lab results?
Share on Pinterest Yannick Tylle/Getty Images. A nonreactive result means that the fluid sample did not contain HIV antigens or antibodies that the test aims to react to at the time of testing. It can mean a person has tested negative for HIV.
What does it mean when a test is non reactive?
If you have been tested for HIV infection, you may be told that the result is ‘non-reactive’. This means that the test did not find any evidence of HIV infection.
What does non reactive Covid-19 mean?
protection from re-infection. A Non-reactive (negative) COVID-19 antibody test. result means that antibodies to SARS-CoV-2 were not. detected in your blood sample.
What does STD range non reactive mean?
Your STD test results may indicate “reactive,” “not-detected,” “non-reactive” or a reference range. Not detected and non-reactive mean the STD was not detected in your system. The reference range indicates whether the STD value is high enough to be considered positive; if not, it returns negative.
What is non-reactive syphilis?
A negative or nonreactive result means you don’t likely have syphilis. Positive results are given as a ratio in titers. This tells your healthcare provider the amount of antibodies in your blood.
Which elements are non-reactive?
Noble gases are nonreactive, nonmetallic elements in group 18 of the periodic table. Noble gases are the least reactive of all elements. That’s because they have eight valence electrons, which fill their outer energy level.
Is a non reactive Covid test negative?
Nonreactive (Negative) results do not rule out SARS-CoV-2 infection, particularly in those who have been in contact with the virus. Follow-up testing with a molecular diagnostic should be considered to rule out infection in these individuals.
What does non reactive mean on syphilis?
What is meant by reactive antibody?
Antibody tests give a reading on the number of antibodies in a patient’s blood. Reactive IgG results do not indicate or rule out active infection or asymptomatic carriage. It can take from two to three weeks, as noted earlier, for the IgG antibodies to develop.
What’s the difference between non-reactive and not detected?
A non-reactive (negative) test result means that antibodies to HIV were not detected in the blood sample. However, your test may come back negative if you have been infected by HIV very recently.