R&D systems, a bio-techne brand Human Total 25-OH Vitamin D IVD ELISA Kit, REF RDKAP1971
The kit was provided without a copy of the lot-specific kit booklet and the Calibrator 0 vial 18D1/4 label incorrectly specified reconstitution volume of 2mL.
IA and CO
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0410-2019