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New Test

Toxicology

Discontinuation Pyruvic Acid

Effective Wednesday, November 29, 2023, the in-house test, Pyruvic Acid, will be made inactive. Recommended alternative testing is Pyruvic Acid, Blood [LAB1231461] which is referred to Mayo Clinic Laboratories. Please review the lab catalog for information on new specimen requirements and updated reference range information. Due to the update in reference ranges, this may disrupt trending data.

The test Lactate/Pyruvate Ratio will also be inactivated with no alternative testing. If you require assistance with obtaining the ratio, please Contact Us. Continue Reading

November 29, 2023 by
General Information, Hemostasis/Coagulation

New Test: UFH Anti-IIa

Effective August 23, 2023, Corewell Health Coagulation Laboratory will go live with UFH Anti-IIa testing.

The Anti-IIa 2 stage heparin assay is a chromogenic assay for measuring the activity of unfractionated heparin.  This method only tests unfractionated heparin.

This heparin assay is a two stage Anti IIa ( 2 Stages Heparin Assay) based on the inhibition of a constant amount of Thrombin (IIa) by the tested heparin in the presence of exogenous antithrombin. Continue Reading

August 22, 2023 by
Toxicology

Update to Vitamin D Testing

Effective February 28th, 2023, Vitamin D 25-Hydroxy Level (25-OH Vitamin D) [LAB535] will be replaced by 25-Hydroxyvitamin Level D2 and D3 [LAB1230925]. Send out testing for 25-Hydroxyvitamin D2 and D3, Serum [LAB1230428] to Mayo will be discontinued. The testing methodology will change from an immunoassay to liquid chromatography-mass spectrometry.

The new test will include concentrations for

  • 25-hydroxyvitamin D2
  • 25-hydroxyvitamin D3
  • 25-hydroxyvitamin D Total

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February 22, 2023 by
General Information

Regionals New Test Communication: “4-Plex”

Effective immediately, the following Regional Hospital Laboratories have the 4-Plex (COVID-19, Influenza A, Influenza B, RSV) test available for ordering and testing:

  • Big Rapids Hospital Laboratory
  • Blodgett Hospital Laboratory
  • Gerber Hospital Laboratory
  • Ludington Hospital Laboratory
  • Pennock Hospital Laboratory
  • Reed City Hospital Laboratory
  • United/Greenville Hospital Laboratory
  • Zeeland Hospital Laboratory

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November 7, 2022 by