Although urinary tract infections (UTIs) are the most common bacterial infections among children who have fever without a source, the frequency of UTI among febrile young children is generally < 10%.

Small amounts of protein can appear in your urine and be OK. Above a certain level, however, may indicate proteinuria, which can be a red flag for kidney disease. Proteins are among the most important ...

If a medical test result is inconclusive, the sample did not provide enough information to confirm a positive or negative result. A person may need another test. People can have various medical tests ...