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FACT SHEET FOR HEALTHCARE PROVIDERS Coronavirus
Assure COVID-19 IgG/IgM Rapid Test Device - Assure Tech. (Hangzhou Co., Ltd) Disease 2019
July 6, 2020 (COVID-19)
There are no approved available alternative tests.
FDA has issued EUAs for other antibody tests that can Laboratory test results should always be considered in the
be found at https://www.fda.gov/emergency- context of clinical observations and epidemiological data in
preparedness-and-response/mcm-legal-regulatory- making patient management decisions.
and-policy-framework/emergency-use-
authorization#2019-ncov. All laboratories using this test must follow standard confirmatory
testing and reporting guidelines according to their appropriate
What does it mean if the specimen tests public health authorities.
positive for antibodies against the virus that
causes COVID-19? What does it mean if the specimen tests negative for
A positive test result with the Assure COVID-19 antibodies against virus that causes COVID-19?
IgG/IgM Rapid Test Device indicates that antibodies to A negative test result with this test means that
SARS-CoV-2 were detected, and the individual has SARS-CoV-2 specific antibodies were not present in
potentially been exposed to SARS-CoV-2. the specimen above the limit of detection. However,
patients tested early after infection may not have
Antibodies to SARS-CoV-2 are generally detectable in detectable antibodies despite active infection; in
blood several days following infection. Individuals may addition, it is not certain that all infected patients will
have detectable virus present for several weeks develop a detectable antibody response to SARS-CoV-
following seroconversion. A positive result can indicate 2 infection. A negative result should not be used to
recent or past infection but does not exclude recently rule out infection. Direct testing of SARS-CoV-2
infected patients who are still contagious. It is should be performed if acute infection is suspected.
unknown how long antibodies to SARS-CoV-2 will
remain present in the body after infection and if The absolute sensitivity of the Assure COVID-19 IgG/IgM
they confer immunity to infection. Incorrect Rapid Test Device is unknown.
assumptions of immunity may lead to premature
discontinuation of physical distancing Risks to an individual resulting from a false negative result
requirements and increase the risk of infection for include: restriction of activities deemed acceptable for
individuals, their households and the public. individuals with evidence of an antibody response to
SARS-CoV-2, lack of monitoring of infected individuals and
False positive results may occur due to cross-reactivity their household or other close contacts for symptoms
from pre-existing antibodies or other possible causes. resulting in increased risk of spread of COVID-19 within
the community, or other unintended adverse events.
The Assure COVID-19 IgG/IgM Rapid Test Device has
been designed to minimize the likelihood of false What is an EUA?
positive test results. However, in the event of a false The United States FDA has made these tests available
positive result, risks to individuals could include the under an emergency access mechanism called an
following: a recommendation for isolation of the Emergency Use Authorization (EUA). The EUA is
individual, monitoring of household or other close supported by the Secretary of Health and Human
contacts for symptoms, isolation that might limit contact Service’s (HHS’s) declaration that circumstances exist to
with family or friends and may increase contact with justify the emergency use of in vitro diagnostics (IVDs)
other potentially COVID-19 individuals, limits in the for the detection and/or diagnosis of the virus that causes
ability to work, the delayed diagnosis and treatment for COVID-19.
the true infection causing the symptoms, unnecessary
prescription of a treatment or therapy, or other An IVD made available under an EUA has not undergone the
unintended adverse effects. Due to the risk of false same type of review as an FDA-approved or cleared IVD. FDA
positive results, confirmation of positive results may issue an EUA when certain criteria are met, which
should be considered – using a second, different includes that there are no adequate, approved, available
antibody assay that detects the same type of
antibodies.
Report Adverse events, including problems with test performance or results, to MedWatch by submitting the online FDA Form 3500
(https://www.accessdata.fda.gov/scripts/medwatch/index.cfm?action=reporting.home) or by calling 1-800-FDA-1088
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