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COVID-19 IgM (N protein) Antibody Test (Not For Travel)

COVID-19 IgM (N protein) Antibody Test (Not For Travel)
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COVID-19 IgM (N protein) Antibody Test (Not For Travel)

This test utilizes U.S. Food and Drug Administration authorized serology tests to detect SARS-CoV-2 IgM antibody, utilizing N protein (nucleocapsid protein) as the antigen targets. 

The FDA issued an emergency use authorization (EUA) for the SARS-CoV-2 IgG/IgM  serology test kit utilized in this test. Nearly all immune-competent individuals will develop an immune response following SARS-CoV-2 infection. Like infections with other pathogens, SARS-CoV-2 infection elicits development of IgM and IgG antibodies, which are the most useful for assessing antibody response because little is known about IgA response in the blood. Antibodies in some persons can be detected within the first week of illness onset. In SARS-CoV-2 infections, IgM and IgG antibodies can arise nearly simultaneously in serum within 2 to 3 weeks after illness onset. Thus, detection of IgM without IgG is uncommon. How long IgM and IgG antibodies remain detectable following infection is not known. It is also important to note that some persons do not develop detectable IgG or IgM antibodies following infection. Thus, the absence of detectable IgM or IgG antibodies does not necessarily rule out that they could have previously been infected. 


Please follow the steps when placing the order:

  1. Place the order online. Make a reservation. 
  2. Pre-register the patients.
  3. Drive to our San Jose site, located at 160 E Tasman Dr, STE 116, San Jose, CA 95134, at least 30 minutes before the reserved date and time. Park in the rear parking lot.   A clinical technologist at curbside will help you collect an individual blood sample. 
  4. We will send you a diagnostic report within the same day (estimate, actual may vary) of the visit!

Please know the report time of 2nd day (by 11PM the 2nd day) is estimate only.  Actual timeline may vary due to volume and technical reasons. Under certain circumstances, actual timeline may even be delayed to the 3rd day.

Please review our Terms and Conditions, including Cancellation Policy (including 15% cancellation fee), Informed Consent.  By submitting this order, you certify that you have reviewed, understood, and agreed to the Terms and Conditions.   (For Chinese readers, here is an information page: 常见问题及指南, 以及服务条款尤其,请详尽阅读、理解、并同意取消服务和退款条款(包括15%取消手续费);请详尽阅读、理解、并同意服务的知情同意书,包括自愿检测、对检测的结果处置、假阳性和假阴性的可能性、费用、免责条款。如果您付费注册,在网站提交预约和订单,即代表您已经详尽阅读、理解、并同意服务条款。)

This test is for information and screening only and is not for traveling or diagnostic purposes. When checking out, please do not refresh your web page, or submit the order multiple times, to avoid duplicate charges.  In the case of technical difficulties, please contact our customer service. (For Chinese readers, 本检测用于筛查,不是用于旅行或诊断目的。请在付费时,不要刷新您的网页,或者重复递交订单,以免产生重复付费。遇有技术困难,请与客服联系。)

When checking out, please include the name, gender,  and birthday information for the people to be tested in the Comment area of the order. (For Chinese readers, 请在付费时,在附言/Comment 区域,列明被检测者的姓名、性别、生日信息。)


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