At a Glance
Why Get Tested?
To help evaluate a person's risk of developing a kidney stone; to help determine the underlying reason for a kidney stone; to help guide and monitor treatment
When to Get Tested?
When you have had two or more kidney stones and a health practitioner wants to evaluate your risk of developing additional kidney stones; when you have developed one kidney stone and are a child or have risk factors such as a family history of kidney stones, a single functional kidney, or a transplanted kidney; when the stone is found to be of unusual composition.
A 24-hour urine sample; frequently, two separate 24-hour urine samples are collected. An additional fresh, random sample of urine may be needed and a blood test may be taken at the same time.
Test Preparation Needed?