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General Information, Toxicology

Update: Meconium Drug Testing

Effective November 21, 2022, the following changes will be made to Meconium Drug Testing (LAB479).

  1. The cutoff for positivity for the opiate drug class (codeine, morphine, hydrocodone, hydromorphone, oxycodone, and oxymorphone) will increase to 20 ng/g from 10 ng/g.
  2. The format of reporting will be updated to include discrete reporting fields for all tested analytes. Positive results will no longer be denoted via comments.

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Compliance & Safety, Education & Training, General Information, Main lab

COVID-19 Test Update for Regional Hospital Lab Clients

Effective Tuesday, September 27, 2022, the following laboratories will be going live with the GeneXpert Xpress for COVID-19 testing: Big Rapids, Gerber, Ludington, Pennock, Reed City, United, and Zeeland.

Please ensure your sites are stocked with the correct collection devices listed below in preparation of the changeover. Continue Reading

General Information, Main lab

Hepatitis Results Component Update

Effective September 21, 2022, the resulting options for the following Hepatitis lab result components will be updated from “Positive”/”Negative” to “Reactive”/”Nonreactive”. Any additional current resulting options, such as “Equivocal” or “See Comment”, will remain available. This will only affect applicable tests that have not yet been resulted.

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Hematology

Result Reporting Change of Nucleated Cells in Cerebrospinal Fluid (CSF) Counts

Cell Count w/ Differential if indicated, Cerebrospinal Fluid [LAB2111025] and Cell Count with Differential, Cerebrospinal Fluid (Pediatric Oncology) [LAB212] currently result nucleated cell counts as a White Blood Cell (WBC) count.

Effective Tuesday, August 16, 2022, the WBC component will be removed and instead reported as a Total Nucleated Cell (TNC) Count for CSF.

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Chemistry

Reference Range Update: ALT and AST

After consultation with our clinical partners, Spectrum Health West Michigan Laboratory will be adjusting the pediatric reference ranges for our new ALT and AST reagents in an effort to better serve our population.  Numerous academic studies were reviewed, and the values listed below were adopted on August 3, 2022: Continue Reading