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Corewell Health West

Hematology

Hematology Testing Updates (Corewell Health West Michigan)

Effective Wednesday, July 30, 2025, changes to result reporting will be implemented across all Hematology Departments at Corewell Health Laboratories. These updates will help align all regions within Corewell Health Hematology Departments to provide a high-quality and standardize patient care experience.

The following are the most impactful changes for the Corewell Health West Michigan Region: Continue Reading

July 18, 2025 by
General Information

Test Update: PD-L1

Effective July 30, 2025, PD-L1 testing will be performed at Corewell Health Reference Laboratory East and will no longer be a sendout to Neogenomics. Collection instructions and other information may have changed, please visit the lab catalog for more information.

For questions and inquiries, please use the “Contact Us” link above.

 

TEST INFORMATION

New test: PD-L1 [LAB3658]

Former test: PD-L1 to Neogenomics (LAB848)

July 18, 2025 by
General Information

Test Update: Vitamin D Testing Via Tandem Mass Spectrometry (LAB1230925)

Corewell Health Laboratories has discontinued routine Vitamin D testing via Tandem Mass Spectrometry (LAB1230925). The new test for diagnosing Vitamin D insufficiency and monitoring therapy is Vitamin D, 25-Hydroxy (LAB1231583), performed daily using an in-house immunoassay method.

Vitamin D screening for deficiency/insufficiency will now be conducted via immunoassay. Current requests for Vitamin D2/D3 by Mass Spectrometry will be sent out.

For any questions or concerns, please contact the Corewell Health West Laboratory.

 

TEST INFORMATION

Discontinue: LAB1230925 25-Hydroxyvitamin D2 and D3, Serum

Replacement: LAB1231583 Vitamin D 25 Hydroxy

June 27, 2025 by
Chemistry

βhCG Preliminary Results

Effective June 4, 2025, Corewell Health Laboratories will include a preliminary result of >10000 mIU/mL for Beta Human Chorionic Gonadotropin (hCG + β) (LAB142) specimens that require dilution. The preliminary result will provide a quick insight on the status of the βhCG quantification analysis. It is important to remember that these results are not definitive, therefore final interpretation should be made alongside the fully validated results.

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June 2, 2025 by
Advanced Technology Laboratory, Cytology, General Information

Reflex HPV Testing Update

Effective April 2, 2025, the Reflex HPV algorithm will more closely align with ASCCP recommendations. HPV testing will no longer be performed for a normal Pap result in patients aged 30 years and older when a provider orders HPV Reflex.

Specimens will qualify for HPV Reflex with a cytologic diagnosis of:

  • ASCUS (Atypical Squamous Cells of Undetermined Significance) for patients aged 21 and older.
  • LSIL (Low Grade Squamous Intraepithelial Lesion) for patients aged 25 and older.

HPV testing will continue to be performed for all Paps, regardless of results, for patients aged 30 years or older when a provider orders Co-Testing.

If a provider wishes to request HPV testing on a normal pap for patients under 30, they must either place an electronic order at the time of the initial pap order or request an add-on test for:

  • HPV High Risk Screen with HPV Genotype Reflex – Cervical Source (LAB1231770)
  • HPV High Risk Screen with HPV Genotype Reflex – Vaginal Source (LAB1230722)

Updated Pap and HPV Testing Algorithm

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March 28, 2025 by