Reviewed: 16. April 2026
Ca Calcium
Unit: mmol/l
Quick Explanation
Calcium (Ca) is a mineral essential for bones, muscles, and nerves. High blood levels may indicate parathyroid disorders or bone disease; low levels may indicate vitamin D deficiency or malnutrition. Discuss any deviations with your doctor.
📊 Reference Values
ℹ️ Reference ranges may vary slightly between laboratories. Always compare your value with the reference range from your own lab report.
🔍 Possible Causes
Value too high — possible causes
- ·Primary hyperparathyroidism
- ·Cancer
- ·Vitamin D overdose
- ·Sarcoidosis
Value too low — possible causes
- ·Vitamin D deficiency
- ·Hypoparathyroidism
- ·Magnesium deficiency
- ·Kidney disease
This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.
🩺 Questions for Your Doctor
- →What is causing my elevated or low calcium?
- →Should I have my vitamin D level tested?
- →Do I need a parathyroid evaluation?
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Medical Disclaimer
The content on this page is for general information only and does not replace professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist for health-related questions. Lab values should always be assessed in the context of your personal medical history.