Calcium, Serum

Test Description

The Calcium Serum Test measures the level of calcium in the blood. Calcium is essential for healthy bones, teeth, muscle function, nerve signaling, blood clotting, and overall cellular processes. This test helps evaluate calcium balance and diagnose or monitor conditions related to bones, kidneys, parathyroid glands, and other metabolic disorders.

Indications of the Calcium Serum Test .

• To evaluate symptoms like muscle cramps, spasms, tingling, abnormal heart rhythms, or unexplained bone pain.

• To monitor disorders of the parathyroid gland or calcium regulation.

• To assess kidney disease, vitamin D issues, or malnutrition.

• To screen for conditions like osteoporosis or certain cancers.

• Part of routine metabolic or health checkups.

Patient Preparation/Instructions

• Usually, no fasting is required, but follow specific instructions if given.

• Inform your doctor about any medications, supplements, or high calcium intake that might affect results.

• Blood is drawn from a vein, typically in the arm.

• Avoid strenuous exercise before the test, which can affect calcium levels.

Typical Reference Values – Normal result ranges

• Total Serum Calcium: 2.2 – 2.6 mmol/L (8.8 – 10.4 mg/dL) in adults.

• Ionized Calcium (active form): 1.15 – 1.33 mmol/L (4.6 – 5.3 mg/dL).

• Reference values can vary slightly by lab.

• Abnormal levels may indicate hypercalcemia (high) or hypocalcemia (low), requiring further evaluation.

Time it takes to get Report

• Results typically available within 1 to 3hrs after blood collection.

How to order the Calcium Serum Test

  Visit the Labtestzote website and search for “Calcium Serum Test.”

1. 1. Add the test to your cart, enter your details, and make a secure payment.

   2. Visit a Labtestzote partner laboratory in Nairobi for blood sample collection.

   3. Receive your test results online or by email within a few days.

   4. Consult your healthcare provider to review results and guide treatment if needed.