Effective May 18, 2020, Spectrum Health Regional Laboratory is pleased to be offering in-house COVID-19 serology testing, with initial availability 1,000 tests per day.
What is Serology Testing?
• Serology testing measures the body’s immune response to COVID-19 infection in the form of antibody production against the SARS-CoV-2 virus.
• There is a single COVID-19 serology order available in Epic, however, the Spectrum Health laboratory performs two versions of antibody testing to increase specificity and avoid reporting false positive results. An initial screen will be used to measure total antibody (IgA, IgM, and IgG), and positives will be confirmed by a second method that is specific to IgG.
• Specificity is critical when the expected prevalence in a community is low. This serology testing is not expected to cross-react with other circulating coronaviruses that cause the common cold.
• A positive IgG result indicates previous infection with COVID-19, but does not indicate immunity or protection against future infection.
• This test should not be used to detect acute COVID-19 disease. Symptomatic patients suspected to have acute COVID-19 infection should be tested using a molecular assay.
• Whether positive or negative for the presence of COVID-19 antibodies, serology testing results do not support easing of behaviors such as social distancing, wearing masks, or hand hygiene.
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Spectrum Health Laboratories is accepting COVID test orders from Spectrum Health and outside providers. For additional information, please refer to our Outpatient Provider Office Collection Information Packet. This packet contains ordering and supply information as well as other related information.
•Spectrum Health Laboratory offers nasal self-collection observation at select draw sites.
•If you’re interested in having your patient tested via nasopharyngeal swab and you cannot collect specimens in your office, please direct your patient to the screening hotline: 833.559.0659. Screening is required before COVID collection and testing can occur for the hotline.
Providers: COVID-19 testing criteria:
LINK: Symptoms of COVID-19 (CDC guidelines)
LINK: Testing criteria (CDC guidelines)
Facilities: If you would like to receive testing for your staff and/or residents please follow these instructions:
•Call: 616-486-1075 or
Outpatient Draw Site Hours:
Outpatient draw site hours and availability may have changed. Please refer to Find-A-Doc for more information.
• Link: Find-A-Doc Location
Nasopharyngeal (NP) swabs are the preferred specimen type.
Link: Nasopharyngeal Collection
If NP swabs cannot be collected, anterior nasal swabs may be collected as an alternative with slightly reduced sensitivity.
New Test: COVID-19 IgG Antibody – Serology test