... possible diabetes, metabolic abnormalities, liver diseases, kidney function, and urinary tract infections. Test results can be used along with ... acid), Specific Gravity, Blood, pH, Protein, Urobilinogen, Nitrite and Leukocytes in Urine.Test PriniciplesUrobilinogen: this test is based on ... good light. Hold the strips close to the color blocks and match carefully. Make note of the result. Color ...