Calcium (24-hour Urine) Test
The Calcium (24-hour Urine) Test at Marylebone Diagnostic Centre measures the amount of calcium excreted in your urine over a 24-hour period. This test is crucial for diagnosing and monitoring conditions such as kidney stones, bone disorders, and other metabolic issues that affect calcium balance in the body. Monitoring urinary calcium helps determine whether your body is properly absorbing and excreting calcium.
Calcium Test
- Price: £ 30
- Code: MLCA
What is Tested:
The test measures the total calcium excreted in urine over a 24-hour period to evaluate kidney and bone health.

Important Instructions:
Patients choosing this test should call the lab at Marylebone Laboratory and collect a special 24-hour urine container from the lab before starting the test.
For accurate results, every urine sample over a 24-hour period must be collected. All urine samples should be stored in the provided container, starting from the first urine of the day until the same time the next day.
FAQs
This test is ideal for individuals who are being evaluated for kidney stones, calcium metabolism disorders, or conditions affecting bone health, such as osteoporosis or hyperparathyroidism.
You need to collect all your urine for a full 24-hour period in the special container provided by the lab. Make sure to contact Marylebone Lab in advance to collect the container.
The results are generally available within 1–2 working days, provided securely through our patient portal.
High levels may indicate conditions such as kidney stones, hyperparathyroidism, or excessive calcium intake. Low levels might be a sign of kidney disease or hypoparathyroidism. The specialists at Marylebone Diagnostic Centre can help interpret your results and suggest further steps if necessary.
Book Your Calcium (24-hour Urine) Test Today!
Ensure your calcium levels are in check with the Calcium (24-hour Urine) Test at Marylebone Diagnostic Centre. Early detection can help prevent complications related to kidney and bone health.