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Choose collection locationBiochemistry · Individual laboratory test
Phosphorous
Phosphorus is measured in blood as phosphate. It is involved in energy use and bone health and is closely linked to kidney function.
Price for this test on its ownAED 125Test price AED 25
Clinical authorDr Nirupama SabhapathySpecialist Clinical Pathology
- Sample
- Serum
- Laboratory turnaround
- 24 hours
- Collection
- Dubai
- Laboratory
- Intel Lab
Understanding the test
What does the Phosphorous test measure?
Also called Blood Phosphate
Phosphate may be assessed in kidney follow-up, suspected parathyroid problems or investigations of bone and mineral balance.
When it may be requested
Bone and mineral assessment
Phosphate can be examined alongside calcium and vitamin D during investigation of a mineral disorder.
Kidney follow-up
Renal excretion helps regulate phosphate, so kidney function adds context.
Before your sample
Prepare for collection
SpecimenSerum
Your checklist
Intel Lab requests a fasting sample, preferably in the morning. Use a similar collection time for repeat phosphate measurements and report mineral supplements or phosphate binders.
A clinician takes a small sample of blood from a vein. The laboratory uses serum, the liquid separated from the blood after it clots.
Smart Report
Understanding your result
24 hoursLaboratory turnaround
Result guidePhosphorous
Reading your result
A change can reflect altered kidney excretion, intake or movement between blood and tissues. The calcium level and kidney findings help distinguish these possibilities.
What can affect it
- A blood phosphate concentration does not measure bone strength directly.
From sample to follow-up
Your testing journey
Laboratory testPhosphorous
- Specimen
- Serum
- Turnaround
- 24 hours
Open your laboratory report
Look for Phosphorous in your report. Use the sample type and collection time when comparing it with an earlier report.
Explore Smart Report
Discuss the next step
Ask how the phosphate result relates to calcium and kidney function, and whether collection timing matters for a repeat.
Health packages
Packages that include this test
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Clinical expertise
Your laboratory team
Patient questions
Before you book
Why compare phosphate with calcium?
The kidneys and several hormones influence both minerals. Reading them together helps a clinician investigate a mineral or bone imbalance.
What can cause high phosphorus apart from kidney disease?
An underactive parathyroid gland lets the body retain more phosphate, and excess vitamin D, phosphate supplements or phosphate-containing laxatives and enemas can all raise it. Rapid breakdown of tissue or blood cells releases phosphate held inside cells. A sample damaged during collection can also read falsely high, so an unexpected result is often simply repeated.
Does a normal phosphorus result mean my bones are healthy?
No. Most of the body's phosphorus is stored in bone, and the blood value does not describe that far larger store. A normal result shows that the kidneys, parathyroid hormone and vitamin D are keeping the circulating level steady, but bone health is assessed with imaging and other tests.
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Your next step
Phosphorous test at home.
Sources & further reading
Written by Dr Nirupama Sabhapathy, Specialist Clinical Pathology. Medically reviewed by Dr Joyce Jose, Specialist Clinical Pathology, on .
Catalogue information and AED price checked on 2 November 2026. Clinical suitability, preparation, collection arrangements and turnaround are confirmed for your selected test.