how to check for kidney stones
1 Blood testing. 2  Blood tests may reveal too much calcium or uric acid in your blood. 3  Blood test results help monitor the health of your kidneys and may lead your doctor to check for other medical conditions. 4  Urine testing. Blood tests may reveal too much calcium or uric acid in your blood. 2  Blood test results help monitor the health of your kidneys and may lead your doctor to check for other medical conditions. 3  Urine testing.