Result Positive Reference Range Negative Artinya. A lot of lab test results dont give clear answers. If both IgM and IgG is negative then the possible interpretation is no or low immune response due to compromised immune system.
9 2 Decision Limit And Detection Capability Mooc Validation Of Liquid Chromatography Mass Spectrometry Lc Ms Methods Analytical Chemistry Course from sisu.ut.ee
Results to the tests reference range also commonly called the normal range or reference interval What is a reference range. Interpretation of a test result depends not only on the characteristics of the test itself but also on the pre-test probability of disease. If you had symptoms consistent with COVID-19 within the past 3 weeks and tested negative repeat testing in 1-2 weeks may yield a positive result.
Negative predictive value is the probability that individuals with negative test results are truly antibody negative.
For COVID-19 a negative or not detected test result for a sample collected while a person has symptoms usually means that COVID-19 did not cause your recent illness. The negative likelihood ratio is 03 which is a moderate result but not nearly as compelling as a positive result because of the moderate sensitivity about 70 of the covid-19 test. If the test result shows that IgM is positive IgG is negative then the possible interpretation is early infection. Was the urine or blood pregnancy test positive for pregnancy indicating the presence of a hormone called HCG.
