Medi-Test Combi 10: Test strips for rapid determination of blood, urobilinogen, bilirubin, protein, nitrite, ketones, glucose, pH-value, density and leukocytes in urine. Use: Screening test for detection of diabetes mellitus, infections and diseases of kidneys and urinary tract, liver and biliary diseases. Instructions for Use: Dip the test strip for approximately 1 second into the fresh urine. Draw it across the rim of the container to remove excess urine. After 30-60 seconds. Colour changes that take place after more than 2 minutes are of no significance. When tested the urine should not be older than 2 hours.