The Serum Calcium Test is a blood investigation that measures the concentration of calcium in the bloodstream. Calcium is an essential mineral that plays an important role in maintaining healthy bones and teeth, muscle function, nerve transmission, and normal blood clotting.
Abnormal calcium levels may be associated with various medical conditions affecting the kidneys, parathyroid glands, bones, and vitamin D metabolism.
Why Is the Serum Calcium Test Recommended?
- Bone Health: Helps assess calcium levels important for bone development and maintenance.
- Parathyroid Assessment: Supports investigation of parathyroid gland disorders.
- Kidney Health: Helps evaluate calcium abnormalities associated with kidney conditions.
- Muscle and Nerve Function: Investigates possible effects of abnormal calcium levels.
- Vitamin D Assessment: Supports evaluation of calcium and vitamin D metabolism.
- Treatment Monitoring: Helps monitor calcium levels when clinically indicated.
Sample Requirements
- Sample type: Blood (Serum).
- Fasting: Usually not required.
- Preparation: Inform your healthcare professional about calcium supplements and medications.
Understanding Your Results
- Low Calcium (Hypocalcemia): May be associated with vitamin D deficiency, hypoparathyroidism, kidney disease, or other conditions.
- High Calcium (Hypercalcemia): May be associated with hyperparathyroidism, certain cancers, or other medical conditions.
- Normal Calcium: Indicates levels within the laboratory’s reference interval.
Calcium levels should be interpreted alongside albumin levels when total calcium is measured. Ionized calcium testing may be recommended in selected cases.
Related Tests
- Serum Albumin
- Vitamin D Total
- Phosphorus
- Parathyroid Hormone (PTH)
- Kidney Function Test (KFT)
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