Comparison of a Reformulated Automated Vitamin D Assay, Its Predecessor, and 2 Contemporary Formulations
K Aaron Geno, Yasel F Alvarez, Jacqueline A. Hubbard, Robert D Nerenz et autres
BACKGROUND: Historically, 25-hydroxyvitamin D (25OHD) assays have under- or over-recovered 25-hydroxyvitamin D2 (25OHD2), but assay manufacturers have modified their reagents to address this problem. In this study, we compared the second- and third-generation Roche assays as well as two contemporary offerings from …
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The Journal of Applied Laboratory Medicine