At present, the demand of clinical biochemisty has increased because the highly
developed clinical medicine requires a very strong scientific basis to establish correct
diagnosis, treatment and evaluation of the progress of patient. Clinical Chemistry lab
seems to be the most important nucleus of laboratory functions in accordance with the
tremendous increases in both bulk and kinds of the test requested. However it is still
difficult to perform satisfactory biochemical tests with accuracy and precision due to the
errors during daily procedures. With the world wide quality control system applies to
clinical biochemistry, it is still not so satisfactory in Korea. There might be a number of
factors bringing errors in biochemical determination including sample process, glassware
and instrument, reagent, standard solution, and personal technic etc. We made, a rough
survey, to detect the causes of errors, mainly with pipet, photometer, densitometer and
personal technic and the followings are the findings with tables and figures
accompanying.
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