Inorganic Phosphorus in 24-Hour Urine price | IntroLab
Južni bulevar 116, Vračar
+381 11 347 3652
EN
IntroLab, laboratory diagnostics
Book a slot

Inorganic Phosphorus in 24-Hour Urine

Price190 RSD
Result in1 day
Sample24 urine
Inorganic Phosphorus in 24-Hour Urine test, IntroLab laboratory Belgrade Written byMilica Ranković Inorganic Phosphorus in 24-Hour Urine test, IntroLab laboratory Belgrade Medically reviewed byDr. Igor Švonja, MD

Published: Updated:

The inorganic phosphorus test in 24-hour urine is an important method used alongside the measurement of calcium and other parameters to diagnose osteoporosis/osteomalacia. Phosphorus is an essential mineral that plays a key role in bone formation and maintaining their strength. Measuring the concentration of inorganic phosphorus in urine over 24 hours can provide valuable information about the metabolism of this mineral in the body, especially in the context of bone diseases. You can perform this test at IntroLab, one of the leading laboratories in Belgrade.

When is Inorganic Phosphorus in 24-Hour Urine Measured?

The test is indicated in cases of suspected osteoporosis/osteomalacia and the presence of bone changes such as metastases. Osteoporosis is a condition characterized by decreased bone density and an increased risk of fractures, while osteomalacia is a disorder of bone mineralization that occurs due to a deficiency of phosphorus and vitamin D. Therefore, this test can help assess the balance of phosphorus in the body and identify possible imbalances that may be associated with these conditions.

What Do Low Values Indicate?

Low levels of inorganic phosphorus can be associated with the following disorders:

  • Vitamin D deficiency
  • Primary and secondary hyperparathyroidism
  • Certain kidney diseases (Fanconi syndrome, renal tubular acidosis)
  • Use of glucocorticoids and parathyroid hormone, which can cause mobilization of inorganic phosphorus from the bones and increased secretion through the kidneys
  • Use of antacids, diuretics, and long-term steroid therapy, which can lead to significant reduction in the level of this mineral (hypophosphatemia)

A deficiency of phosphorus in the body can manifest through various signs and symptoms that can affect the neuromuscular, neuropsychiatric, gastrointestinal, skeletal, and cardiopulmonary systems.

What Do High Values Indicate?

Elevated levels of inorganic phosphorus in urine can be encountered in the following situations:

  • Excessive phosphorus-rich diet
  • Phosphorus metabolism disorders due to kidney disease
  • Hormonal imbalances (hypoparathyroidism or hyperthyroidism)
  • Osteoporosis or osteomalacia
  • Increased activity or stress on the bones

Sample and preparation: Inorganic Phosphorus in 24-Hour Urine

Sample
24 urine
Sampling
Urine collection
Result in
1 day
Preparation
Prepare a container for collecting 24-hour urine (estimate whether one or more 2-liter bottles are needed). Discard the first morning urine sample (do not pour it into the bottle). Collect all other urine samples throughout the day and night into the bottle. Add the first morning urine sample of the following day to the bottle and deliver the entire quantity of urine to the laboratory for analysis. For certain analyses, it is necessary to add a preservative to the bottle first – ask the laboratory for instructions on this procedure.
Category
Urine analysis

Frequently asked questions

What is the difference between inorganic phosphorus in blood and in 24-hour urine?

Inorganic phosphorus in blood shows how much phosphorus is in the blood at the moment of the draw, while phosphorus in 24-hour urine shows how much the kidneys excrete over a whole day. The urine test is therefore used to assess phosphorus balance and bone metabolism, usually together with calcium, when osteoporosis, osteomalacia or bone changes are suspected. At IntroLab laboratory, inorganic phosphorus in 24-hour urine costs 190 RSD, with results in 1 day. Your doctor decides which test you need.

How is 24-hour urine collected for a phosphorus test?

Collection of urine for inorganic phosphorus starts in the morning: the first morning urine is not kept, and all urine after it, during the day and night, goes into a 2-liter bottle, or several bottles if needed. The next morning, the first morning urine is also added to the bottle, and the whole amount is brought to IntroLab laboratory. Because a preservative is added to the bottle in advance for some tests, ask the laboratory how to prepare the bottle before you start collecting.

Urine analysis

Related tests and panels

All tests: Urine analysis
190 RSD Call Book