ADVIA Chemistry Urea Nitrogen Reagent (material number 10309051) for use on ADVIA 1800, 2400 and XPT Chemistry Systems
Urea Nitrogen reagent kit demonstrated an increased incidence of Calibration Failures. Results cannot be generated by the system when calibration fails.
Nationwide and worldwide
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-2062-2018