Card security code. 1  The card security code is located on the back of MasterCard, Visa, Discover, Diners Club, and JCB credit or debit cards and is typically a separate group of three digits to the right of the signature strip.
A urinalysis is a test of your urine. A urinalysis is used to detect and manage a wide range of disorders, such as urinary tract infections, kidney disease and diabetes. A urinalysis involves checking the appearance, concentration and content of urine. Abnormal urinalysis results may point to a disease or illness.
For urinalysis, your urine sample is evaluated in three ways: visual exam, dipstick test and microscopic exam. A lab technician will examine the urine's appearance. Ketones. 2  As with sugar, any amount of ketones detected in your urine could be a sign of diabetes and requires follow-up testing. 3  Bilirubin. 4  Bilirubin is a product of red blood cell breakdown.