Linearity FD General Chemistry is an assayed quality control material consisting of five levels of freeze-dried human serum and five matching levels of liquid diluent.

Direct Bilirubin and Total Bilirubin are no longer included as a supplement. If you are in need of bilirubin linearity, please view our new K742M-5 Linearity FD Bilirubin. 

This material is NOT compatible with ISE analysis on Siemens Atellica instruments. Please see K940M-5 for compatible ISE material.