Know Your Blood Parameter : Calcium

1. Parameter Name 

Calcium

2. Test Type 

Blood (serum calcium)

3. Normal Range 

8.5–10.5 mg/dL

4. High Levels Indicate

Hypercalcemia due to hyperparathyroidism, cancer, or excess intake.

5. Low Levels Indicate 

Hypocalcemia from vitamin D deficiency, hypoparathyroidism, kidney disease.

6. Why It's Tested 

To evaluate bone metabolism, parathyroid function, and calcium balance.

7. Associated Symptoms (if abnormal)

 High: confusion, kidney stones; Low: muscle cramps, tingling, seizures.

8. What To Do If Abnormal 

Further tests for parathyroid, vitamin D; diet and medication adjustments.

9. Common Conditions Related 

Hyperparathyroidism, osteoporosis, renal failure.

10. Nutrition or Lifestyle Connection 

Dairy products, green leafy vegetables, supplements.

11. References (APA Format) 

NIH Office of Dietary Supplements. (2023). Calcium.

 MedlinePlus. (2023). Calcium blood test. https://medlineplus.gov