Total Calcium
Total calcium is the blood calcium bound to proteins plus the free fraction. It is regulated by parathyroid hormone and vitamin D.
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Normal ranges
Adults: 2.15–2.55 mmol/L.
Units: mmol/L
Causes of deviations
Low levels:
Hypoparathyroidism, vitamin D deficiency, kidney disease.
High levels:
Hyperparathyroidism, vitamin D excess, some cancers.
When to see a doctor
If the value is outside the range, discuss it with your doctor.
Related biomarkers
Panels
Electrolyte panel
Conditions
HypercalcemiaHypocalcemia
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