Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: Sensitivity and Specificity of Neutrophil Gelatinase-Associated Lipocalin (NGAL) in an Emergency Room Population
Brief Summary: Hypothesis: In patients that present to an urban emergency room, a single urine neutrophil gelatinase-associated lipocalin (NGAL) measurement can classify their kidney disease as stable chronic kidney disease, acute tubular necrosis, urinary outlet obstruction or pre-renal azotemia.