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Test Update

Chemistry, Referral/Sendouts

Hepatitis A IgG Antibody Discontinued

Effective Thursday, April 18, 2024, Corewell Health Laboratory will discontinue the send out test Hepatitis A IgG Antibody, Serum (Mayo Test ID: HAIGG). This test has been made obsolete by Mayo Clinic Laboratories. We recommend to our healthcare providers the following in-house testing:

1.Hepatitis A Total Antibody (LAB1230596): intended for the clinical laboratory diagnosis of acute or past hepatitis A virus infection in persons with signs or symptoms of hepatitis and in persons at increased risk for hepatitis A infection, to identify HAV susceptible individuals and to determine the presence of an antibody response to HAV in vaccine recipients.

2.Hepatitis A Antibody, IgM (LAB7980): intended for use as an aid in the laboratory diagnosis of an acute or recently acquired hepatitis A virus infection.

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April 1, 2024 by
Chemistry

Anion Gap Reference Range Update

Effective February 7, 2024, at 7:30 AM, Corewell Health West Laboratories will go live with a new reference range for the calculated Anion Gap (AG). The AG reference range will be adjusted to align with recent reference range studies.

The following will be the new normal reference ranges for AG:

Anion Gap: 5 – 14 mmol/L

 

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February 7, 2024 by
Immunochemistry, Main lab

Update in Testing Platform – Immunochemistry

As of January 26, 2024, for the following tests, the testing platform has changed from EliA Fluorescence Enzyme Immunoassay (FEIA) from Thermofisher to Multiplex Flow Immunoassay from Biorad. Please review the lab catalog for any changes to collection information or reference ranges.

• Anti-dsDNA Antibody
• Cyclic Citrullinated Peptide (CCP) Antibody
• Celiac Antibody Cascade
• Tissue Transglutaminase Antibody
• Gliadin Antibodies Continue Reading

January 26, 2024 by