The following information was updated in the Lab Catalog.
All changes are for Corewell Health West Laboratories. For East and South locations, please visit: corewellhealth.org/labcatalog
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New Test
Advanced Technology Laboratory, Cytology, Education & Training, Referral/Sendouts
New Test: HPV High Risk Screen with HPV Genotype Reflex
Effective August 26, 2024, Corewell Health Laboratories West will be updating their High-Risk HPV testing. The new assay will be performed on the Abbott Alinity m at Corewell Health Reference Laboratory West, Grand Rapids. Testing will now automatically include HPV Genotype results whenever HPV is detected. There will no longer be a separate charge to the patient for HPV Genotype testing.
There will also be an expanded number of High-Risk HPV Genotypes reported:
- HPV Genotype 16
- HPV Genotype 18
- HPV Genotype 45
- HPV Genotype 31/33/52/58
- HPV Genotype 35/39/51/56/59/66/68
The new assay is FDA approved for Primary screening in addition to co-testing.
Post hysterectomy vaginal specimens will still be a send out test (LAB1230722).
Effective December 20, 2023, Rheumatoid Factor, IgM, Quantitative will be replaced with Rheumatoid Factor.
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.
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.
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
Corewell Health Laboratory (Grand Rapids) Coagulation laboratory is pleased to announce a change to our von Willebrand factor (VWF) activity test. The historical test von Willebrand ristocetin cofactor (LAB335) will be retired and replaced by von Willebrand factor activity (VWF activity, LAB1230904) on January 17, 2023.