Covid-19 (Sars-Cov-2) Antibody IgM Test

Covid-19 (Sars-Cov-2) Antibody IgM Test

Serology

Test Schedule:

Daily

Report Collection:

Same day

Test Overview

Test Components

Covid Antibody IgM

SARS-COV IgM Test

SARS-COV -2 is an enveloped, single stranded RNA virus of the family Coronaviridae, which is responsible for coronavirus disease 19 (COVID-19). The IgM antibodies test is used to determine whether the individual is exposed to or is infected by covid virus and if they have mounted a specific anti SARS-COV-2 IgM immune response.

When is the SARS-COV-2 IgM antibodies test prescribed?

A doctor may prescribe this test

To use as an aid in identifying individuals with an adaptive immune response to SARS-COV-2, indicating recent infection.

  • To detect the severity of the disease as patients with more severe symptoms appear to develop a more robust antibody response with IgM and IgG
  • To screen the reason that IgM antibodies detected to COVID-19 are as a result of infection or vaccination.
  • In persons who have been exposed to the virus that causes COVID-19 based on the current or previous signs and symptoms (e.g., difficulty in breathing, fever, cough, headache).
  • In persons who are living in or have recently travelled to a place where transmission of COVID-19 is known to occur.
  • In persons who have been in close contact with an individual suspected of or confirmed to have COVID-19.

What are the components of SARS-COV-2 IgM antibody test?

  • Whenever a virus attacks the body, IgM is usually the first antibody produced by the immune system. This test detects IgM antibodies. The current antibody tests for SARS-CoV-2 assess IgM and/or IgG to one of two viral proteins: S or N. The IgM antibody can persist for weeks to months following infection.

Procedure and prerequisites

No special preparation required. The sample of blood is collected from the vein.

Reference range

Normal range SARS -COV-2IgM <1.0 (index) Negative
>1.0 (index) Positive

A positive IgM test indicates presence of SARS-COV-2 IgM antibody in the blood. This means that the patient had recent exposure and infection by the virus leading to the body developing an immune response.

A negative result indicates absence of SARS-COV-2 IgM antibody in the body.

This test is only for serosurveillance and should not be used to diagnose SARS-COV-2 infection

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