Routine urinalysis remains a fundamental tool to alert healthcare providers to the presence of renal damage and/or urinary tract disease. However, discrepancies between routine urinalysis and microscopy or patient history may occur due to physiological factors, medications, or collection issues. In an effort to assist with the interpretation of routine urinalysis results, the table below lists some circumstances when false-positive and false-negative results may occur. In all cases, results must be correlated with patient history and other clinical information.
Causes-for-Urinalysis-discrepancies_Table [PDF}