There is usually no fluid or food restriction before the test. He or she collects a urine sample. This may occur in a clinic or doctor's office. If possible, the first urine in the morning is collected. A healthcare provider prepares the sample and sends it to a lab.
Abnormal findings indicate certain problems.
For example, protein in the urine suggests kidney disease. Sugar usually indicates diabetes. Certain substances indicate liver disease. A variety of problems cause bleeding in the urinary tract. White blood cells indicate an infection in the urinary tract.