How to pass a urinalysis, the rules of preparation for the study. Despite the fact that the clinic explains how to collect a general urine test, some people still neglect the recommendations. Failure to comply with the rules for collecting urine distorts the result of laboratory tests and complicates the diagnosis of diseases. In order not to disturb the basic indicators of urine, it is necessary to correctly collect the analysis and deliver it to the laboratory on time. What can and cannot be done before collecting material.