Phosphate (24 Hrs Urine)

Specimen Required

24 Hrs Urine

Fasting Required

Purpose of the Test

Phosphate level in urine is tested to evaluate the phosphate metabolism, kidney function, and to detect any underlying condition that might cause an abnormal phosphate level in the urine.

When this test is required

The test is requested when a patient presents symptoms of abnormal phosphate levels, such as bone pain, weak bones, frequent bone fractures, and kidney stones.

What the Test Detects

The test measures the level of phosphate in a 24-hour urine sample. Phosphate is a mineral that plays a vital role in bone formation and several metabolic processes, including energy production and the regulation of acid-base balance.

Preparation for the Test

The healthcare provider will provide instructions on how to collect a 24-hour urine sample. The instructions may include dietary restrictions and avoidance of certain medications that can affect the test results.

Sample Requirements

A 24-hour urine sample is required for testing the phosphate level in urine.

Additional Notes

Abnormal levels of phosphate in urine can also occur due to dehydration, an unhealthy diet, and certain medications, such as diuretics, laxatives, and antacids containing aluminum or magnesium. Therefore, it is essential to follow the healthcare provider’s instructions and provide a complete medical history before undergoing the test.

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