We are about to set up a Troponin assay in this laboratory. We could have settled on an Abbott kit (we have an AxSym and Architect) but have decided not to in view of their current supply difficulties and problems with assays. M R Holland Dept Clinical Chemistry New Cross hospital Wolverhampton UK > Does anyone has experience with troponin I on Abbott Axsym? As you know > the absolute values are quite different on different instruments. > your hospital for the Abbott TnI? %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%