Twelve of the urine parameters, namely sodium, potassium, chloride, urea, creatinine, uric acid, calcium, phosphate, protein, microalbumin, amylase and glucose, routinely measured in a biochemistry laboratory were chosen to revalue their interest in clinical practice. For each parameter, urinary collection method, physiologic review and specific indications were set out. The clinical interest of chloride, urea, phosphate or uric acid measurement seem limited to specific pathological conditions. The measurement of urine amylase is out of interest.
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