Verichem bilirubin, urine chemistry reference materials
February 2024—Verichem Laboratories now offers its Tru-Zero Bilirubin Standard as part of the company’s line of liquid-stable and protein-based total and direct bilirubin clinical reference materials. The standard is intended to be treated as a patient specimen and features universal instrument compatibility. The concentration level for the total and direct bilirubin assays is 0.0 mg/dL. The product has an open-vial stability claim of five days and a shelf life of 14 months when stored at 2° to 8°C.