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Biochemistry · Individual laboratory test

Calcium

Total calcium includes the calcium bound to proteins and the free fraction that nerves and muscles use. Both contribute to the reported number.

Price for this test on its ownAED 125Test price AED 25
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Dr Nirupama SabhapathyClinical authorDr Nirupama SabhapathySpecialist Clinical Pathology
Cross section of bone with a dense ivory rim and a porous interior.
Sample
Serum
Laboratory turnaround
24 hours
Collection
Dubai
Laboratory
Intel Lab
Calcium specimen guide showing serum.

Understanding the test

What does the Calcium test measure?

Also called Total Blood Calcium

A calcium measurement can be useful when investigating kidney stones, bone or parathyroid problems, or medicines that affect mineral balance.

When it may be requested

A mineral imbalance

Calcium may be checked during investigation of stones, bone symptoms or an abnormal mineral panel.

Parathyroid assessment

The combination with parathyroid hormone may help explain persistently abnormal calcium.

Before your sample

Prepare for collection

SpecimenSerum
Your checklist0 of 2 ready

Fasting is usually unnecessary for calcium alone. Record the timing of calcium, vitamin D or relevant medicines and ask whether any accompanying tests need an overnight fast.

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

Intel LabResult guide

Calcium

Reading your result

Protein-bound calcium contributes to the result. If total calcium and symptoms appear inconsistent, the clinician may check the albumin level or measure ionized calcium.

What can affect it

  • Total calcium depends partly on the amount of protein available to bind it.

From sample to follow-up

Your testing journey

Intel Lab specimen collection kit

Arrange your collection

Choose your location, add the test to your care bag and select a time. If you are booking for someone else, assign the test to them in checkout.

Choose collection location
Intel Lab
Laboratory testCalcium
Specimen
Serum
Turnaround
24 hours

Open your laboratory report

Look for Calcium in your report. Use the sample type and collection time when comparing it with an earlier report.

Explore Smart Report
clinician and adult patient discussing laboratory results

Discuss the next step

Check whether your report also includes albumin. A clinician can advise whether the total calcium needs adjustment or confirmation with ionized calcium.

Clinical expertise

Your laboratory team

Patient questions

Before you book

Why is albumin relevant to my calcium result?

Some calcium travels attached to albumin. A change in albumin can change total calcium even when the free fraction is similar. An ionized calcium test answers that more specific question.

Can the way blood is drawn affect a calcium result?

Yes. A tourniquet left on too long or a clenched fist during collection can falsely raise total calcium. Staying relaxed with your arm still helps, and if a mildly high value does not fit the rest of the picture, your doctor may simply repeat it or request ionised calcium, which measures the active free fraction.

Does an ordinary calcium result mean my bones are fine?

No. The body will draw calcium out of bone to keep the blood level steady, so bone density can be declining while blood calcium stays unremarkable. Bone health is assessed with imaging and other markers.

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Your next step

Calcium 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.