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Laboratory work flow analysis and introduction of a multi-functional analyser.

Laboratory work flow analysis was performed in order to define guidelines for improved laboratory organisation and efficiency. All activities were monitored from the moment a laboratory test was requested until the result was reported and received. Detailed information was collected on numbers of samples and tests, work-stations and sample splitting, number of staff and laboratory costs and management. From the data thus obtained requirements for optimal reorganisation could be developed. Reduction of work-stations appeared to be of primary importance. This could be achieved by replacement of seven different work stations by instruments for multi-functional analysis (Cobas Integra) in the department of routine clinical chemistry. Effects of reorganisation were evaluated by repeated work flow analysis. The multifunctionality of the analysers (photometry, turbidimetry, ion selective electrodes and fluorescence polarisation) provides opportunities for efficient work structuring, avoiding the need for sample splitting, distribution of sub-samples and performing analyses at different work stations. Manual and clerical errors could thus be reduced. Laboratory service to clinicians was improved by reduction of turnaround times to such an extent that all test results are reported within 60 minutes (stat service) even during peak hours. Laboratory costs were reduced by decreasing the number of laboratory staff and work-stations. Both clinicians and patients expressed great satisfaction with the effects of this reorganisation, for which work flow analysis appeared to be an indispensable instrument.