Siemens ADVIA 2120, Operator'S Manual, Page: 405 / 477

9-64 Regulatory Information
WBC DIFF Method Data
The sample stability, expected ranges, and performance characteristics for the WBC DIFF method are listed in the following Table.
Sample Stability Expected Imprecision Correlation Data
Room Temp Refrigerated Values Mean SD CV% y= r Sy.x
%NEUT 36 h 72 h 40 to 77 55.0 0.9 1.6 1.02x - 0.6 0.997 1.6
%LYMPH 36 h 72 h 16 to 44 31.3 0.9 2.9 1.00x + 0.8 0.997 1.7
%MONO 72 h 72 h 4 to 9 7.2 0.5 6.9 0.85x - 0.3 0.943 0.8
%EOS 8 h 72 h 1 to 7 3.4 0.3 8.8 0.87x + 0.2 0.979 0.4
%BASO 72 h 56 h 0 to 1 0.5 0.1 20.0 0.67x + 0.0 0.772 0.2
%LUC 72 h 72 h 1 to 4 2.5 0.4 16.0 0.92x + 0.6 0.994 0.7