Research Article

Increasing Efficiency and Quality by Consolidation of Clinical Chemistry and Immunochemistry Systems with MODULAR ANALYTICS SWA

Table 3

Sample related carryover with high priority test option off. With high priority test option on, sample carryover cannot occur. (For explanation see results section, sample-related carryover.)

AnalyteExpected values10% of lower decision levelLower detection limitRatio high : lowMax. diff low1–low5(if >2SD)MaterialRelevant Carryover, high priority offRelevant Carryover, high priority on

AFP<6.2  𝑛 = 1 5 g/l0.62  𝑛 > 1 0 g/l0.6  ( 1 , 2 , 3 ) g/l408710.62NativeyesNo
CEA<4.6  g/l0.46  1 2 3 g/l0.2  𝛽 g/l161977.64SpikedyesNo
PSA<4  𝑛 g/l0.4  𝛽 g/l0.002  𝜇 g/l7560.20SpikedyesNo
Ferritin~15–400  𝜇 g/l1.5  𝜇 g/l0.5  𝜇 g/l9692.00SpikednoNo
HCG + <5 mIU/ml0.5 mIU/ml0.1 mIU/ml1170001.30NativeyesNo
a-HAV<20 IU/l2.0 IU/l3.0 IU/l11840.25NativenoNo
HbsAg<1.0 COI0.1 COI2851060.44nativeyesNo