Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose What I need to know about My Child's Urinary Tract Infection ?
    ### Response:
    A UTI is diagnosed by testing a sample of your childs urine. The way the urine is collected depends on your childs age:
                
The health care provider looks at the urine sample with a microscope to check for bacteria or pus. The sample is also sent to a lab.
    