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Update

General Information, Hemostasis/Coagulation

Test Update: Prothrombin Time (Protime/PT)

Effective December 6, 2021, Spectrum Health Reference Laboratory (SHRL) Coagulation department will go live with a new lot of Prothrombin Time (Protime/PT) reagents. The reference range for the PT will be adjusted to reflect this reagent lot change and align with our Regional Laboratories. The new reference range will be 9.5 – 12.0 seconds. There will be no change to the INR ranges.

Test Current Reference Range New Reference Range
Prothrombin Time (PT) 9.7 – 12.6 seconds 9.5 – 12.0 seconds

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General Information, Microbiology

Microbiology: Organism Taxonomy Updates

To remain up to date with the scientific literature, microbiology must periodically update the official taxonomic nomenclature for organisms as published in the International Journal of Systematic and Evolutionary Microbiology (IJSEM). These updates also satisfy the laboratory’s accreditation checklist item MIC.11375 from the College of American Pathologists (CAP). Current organism classification is typically revised based on genetic relatedness among genera and species, as opposed to historical phenotypic biochemical characteristic studies. Continue Reading