Abstract
ABSTRACT Introduction: Routine urinalysis is among the most requested exams in the clinical laboratory, assisting in the diagnosis of various diseases and treatment follow-up. In this case, the pre-analytical phase is extremely important because the quality of the sample directly influences the analysis and interpretation of the result. Objective: The aim of this study was to identify the main errors in the pre-analytical phase of routine urine examination in a private laboratory and their frequency of occurrence. Material and method: Data were collected from 2014 to 2018. In all, 107,277 urine samples were registered and 98 (0.09%) were sent for recollection. Results: Recollect requests were higher among females (81.6%), and the most affected age groups were 51 to 60 years old and 21 to 30 years old. The most common justification for recollection was insufficient material (48.0%), followed by confirmation of results in 24.5% of cases. The predominance of urine recollection in women was due to their having urine tests more often since they are more prone to urinary tract infections, especially in the sexually active and postmenopausal life stages. Conclusion: In general, the urine recollection rate obtained in the research was lower than the goal set by the laboratory; however, the main reasons that led to recollection request could be avoided or minimized if patients had been well educated on the correct collection procedures, indicating the need for constant training and training programs of the work team.
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