A urine 24-hour volume test measures how much urine you produce in a day. It can be a helpful way to evaluate kidney function. The urine 24-hour volume test measures the amount of urine your body ...

Creatinine levels can be measured through a urine test. Abnormal levels of creatinine in a person’s urine can indicate medical issues, such as kidney infection, kidney stones, and diabetes. Creatinine ...

You probably already know your body needs calcium for strong bones. You also need it for your heart, muscles, and nerves to work properly. Too much or too little calcium in your body can lead to ...