Urine test strips are commonly used among clinical supplies. Depending on the brand, they can test for a variety of things, including blood, calcium, creatinine, ascorbic acid, bilirubin, ketones, glucose, leukocytes, microalbumin, pH, protein, and urobilinogen.
Check each brand for specifics. For instance, the Biotron Generic Testing Strips 10-SG can test for bilirubin, blood, ketones, leukocytes, nitrite, glucose, pH, protein, and specific gravity.