640 South State StreetDover, Delaware 19901
21 West Clarke AvenueMilford, Delaware 19963
401 North Carter RoadSmyrna, DE 19977
640 S. State StreetDover DE 1990121 West Clarke AvenueMilford DE 19963
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Urine stone risk profile, 24-hour collection
This test checks your urine for chemicals that might cause your body to form kidney stones. The test also looks for blood in your urine, which can be a symptom of kidney stones.
Kidney stones are hard masses of minerals and salts that can form in your kidneys. They can be as small as a grain of sand or more than an inch in diameter. Usually theses stones or crystals pass through your body when you urinate. But sometimes they can get stuck in your urinary tract and cause a lot of pain.
You may need this test if your healthcare provider suspects that you have kidney stones. Symptoms of kidney stones include:
Pain in your lower belly (abdomen) or side
Nausea and vomiting
Sudden, strong urge to urinate
Pain when urinating
Blood in your urine
You may also have this test if you had a kidney stone or you are being treated for kidney stones. If you have had a kidney stone or any treatments for a kidney stone, you should wait 1 to 2 months, or until you have completely recovered, before having this test.
You will need to repeat the test at least twice so your healthcare provider can compare the results.
Your healthcare provider may also order imaging tests. These include an ultrasound, CT scan and, a special type of X-ray (pyelogram) that uses a dye to look for kidney stones.
Your provider is also likely to order blood tests, to look for calcium, phosphate, uric acid, oxalate, and citrate. These are some of the chemicals that are most likely to cause your body to form kidney stones.
Many things may affect your lab test results. These include the method each lab uses to do the test. Even if your test results are different from the normal value, you may not have a problem. To learn what the results mean for you, talk with your healthcare provider.
The results will show whether your urine has high or low levels of the chemicals that are most likely to cause stones to form. These chemicals are calcium, phosphate, uric acid, oxalate, and citrate.
If your levels are not normal, it may mean that you have a kidney stone or stones.
Abnormal levels may also mean that you have another kidney disorder, such as a urinary tract infection.
This test requires a 24-hour urine sample. For this sample, you must collect all of your urine for 24 hours. Empty your bladder completely first in the morning without collecting it and note the time. Then collect your urine every time you go to the bathroom over the next 24 hours. As you collect the urine, store it in the refrigerator.
This test does not pose any known risks.
Having this test too soon after treatment for a previous kidney stone can affect your results. You should wait several months after treatment before having this test.
You don't need to prepare for this test.
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