Dear All,


We are having a ‘debate’ with Radiometer, who provide our analysers positioned around the Trust, as to whether the presence of a ‘red’ channel, meaning an analysis is currently unavailable, should render all channels unreliable and thus preclude use of the analyser.


We feel that most of the time this is due to the presence of a clot, given that our users are non-lab staff not necessarily prioritising thorough mixing of the samples, and thus other channels have also potentially been ‘exposed’, whereas Radiometer’s experience is more of a single channel, say, failing calibration and thus are reluctant to ‘lock out’ users or make all channels ‘red’, for what they see as an isolated failure of a channel that the user may not need anyway.


What are the experiences of others please? Do your analysers ‘lock-out’ users, or are you happy to leave analysers ‘up’ when one channel is out of action? Thanks very much,




Liz Groves (Dr)

Principal Clinical Biochemist

Norfolk and Norwich University Hospital

01603 286969 (direct line)


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