QUALITY CONTROL IN BIOCHEMISTRY LABORATORY

Abstract

Thanks to plethora of lab investigation lots of others in pipeline, the diagnosis of even rare diseases has been possible. This have severed the patient and humanity as a whole. To get the maximum advantage it is duty of the medical personal to make it has precise and accurate as possible. For this we have to rase the quality of laboratory results as well refining the skills. For any investigation three steps are important such as preanalytical analytical and post past analytical. Out of this most common and easy to taggle preanalytical step because it includes the factor which can be sorted out even before going to this next step in the laboratory. The post analytical error can affect after the analytical part is complete. The analytical error is dependent upon the functioning of the equipment’s and the specialist working on this are specially trained. All the three phases can be controlled under quality control (IQC &EQC) which is further of two type internal quality control (IQC)and external quality control (ECQ). The interpretation of quality control data is done with the help of both graphical and statistical tools. Quality control data is most commonly visualized with the help of Quality Control (QC) charts which include Levey-Jennings (LJ) Charts and Westgard Rules. Both are useful in detecting trends or shifts observed from the average target value^.4 THE EQC dependence upon the proficiency testing on the other hand IQC is perform daily in the laboratory using controls with known value, whereas EQC depends upon the involvement of the lab in an external quality assessmentscheme (EQAS) which make the result of the test competent.