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Tests›Ionized calcium

Ionized calcium

Most calcium in the blood is bound to a molecule called albumin, and this calcium fluctuates depending on the level of albumin. The rest is "ionized" calcium and this is freely available for biologic processes. Labs used to only be able to measure total calcium - calcium bound to Albumin + ionized. Now we can measure ionized calcium and not be mislead that calcium is low because Albumin is low.
Dr. Joseph Sucher
Dr. Joseph Sucherreviewed this
Trauma Surgery 28 years experience

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Related questions

A 36-year-old male asked:
My ionized calcium es 1.22 is that low?
1 doctor answer2 doctors weighed in
A female asked:
My ionized calcium is 1.1 mmol/L do i need to worry ?
1 doctor answer1 doctor weighed in
A 28-year-old male asked:
What is the definition or description of: ionized calcium?
1 doctor answer1 doctor weighed in
A 37-year-old female asked:
What does an elevated or low ionized calcium results mean?
1 doctor answer2 doctors weighed in
A 26-year-old female asked:
Female 26- calcium 10.5 ionized calcium 1.34, is that normal?
2 doctor answers3 doctors weighed in
A 35-year-old member asked:
Is there a difference between a calcium vs. Ionized calcium test?
2 doctor answers5 doctors weighed in
A 38-year-old male asked:
What does it mean if my ionized calcium in the blood is low?
1 doctor answer1 doctor weighed in
A 40-year-old member asked:
What are common causes of normal calcium serum levels with high ionized calcium levels?
1 doctor answer2 doctors weighed in
A 37-year-old male asked:
What is the true measure of hypocalcemia? Low ionized calcium, or low calcium? Thank you.
3 doctor answers3 doctors weighed in
A 37-year-old male asked:
What can prolonged low ionized calcium in the blood do to one's body? How dangerous is it?
1 doctor answer1 doctor weighed in
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