What happens during a calcium in urine test?You'll need to collect all your urine during a 24-hour period. This is called a 24-hour urine sample test. Your health care provider or a laboratory professional will give you a container to collect your urine in and instructions on how to collect and store your samples. A 24-hour urine sample test generally includes the following steps:Empty your bladder in the morning and flush that urine down. Do not collect this urine. Record the time.For the next 24 hours, save all your urine in the container provided.Store your urine container in a refrigerator or a cooler with ice.Return the sample container to your health provider's office or the laboratory as instructed.
