What factors affect laboratory test results ?
• A8.Proper sample collection is the first step to correct results. This includes timing of sample collection, whether any special preparation is required, whether any drug has to be stopped before getting the test done, proper mixing of sample with correct anticoagulant, and such other factors. Lipaemic or hemolysed blood samples may give inaccurate results. Ideally the samples should be tested immediately after collection, especially urine and stool samples. Some samples can be transported. However, transportation of sample needs stringent temperature and leak control measures, otherwise loss of quality can occur.
