ABSTRACT Urine dipstick is a test strip that chemically detects leukocyte, nitrite, urobilinogen, protein, pH, erythrocyte, specific gravity, ketone, bilirubin, and glucose in urine. This strip is usually used for kidney and urinary tract disease and also metabolic disease health screening. In elderly, flank pain can direct a diagnose to kidney and urinary tract disease such as urolithiasis a…