Clinical Chemistry Calibration Serum (Catalog number Cal2351) that is 20x5ml lyophilized human based serum covering 38 commonly used clinical chemistry tests.
Randox Laboratories has identified that Inorganic Phosphate in Calibration Serum Level 3, CAL2351 & CAL10388, is running with a negative bias on RX Series instruments compared to other methods.
Domestic: Nationwide Distribution.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-1759-2024