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  1. Calcium Blood Test: What It Is & Results - Cleveland Clinic

    Dec 10, 2024 · In most cases, a normal blood calcium level for adults is 8.5 to 10.2 milligrams/deciliter (2.15 to 2.55 millimoles/liter). But laboratories may have different reference ranges for normal blood …

  2. Calcium Blood Test: Meaning of Abnormal Results - Verywell Health

    Oct 21, 2025 · This article defines low, high, and normal levels of calcium in the blood in healthy individuals. It also explores possible causes and symptoms of an abnormal calcium level and what to …

  3. Calcium Levels Test: High vs. Low vs. Normal Range - WebMD

    Sep 17, 2023 · Calcium is one of the most important minerals in your body. Learn why your doctor might order a test to check your blood calcium levels.

  4. Hypercalcemia - Symptoms and causes - Mayo Clinic

    Mar 8, 2024 · Hypercalcemia is a condition in which the calcium level in the blood becomes too high. Too much calcium in the blood can weaken bones and create kidney stones. It also can affect the …

  5. Normal Blood Calcium Levels by Age and the Impact on Your Health ...

    Jun 4, 2025 · Find out what normal blood calcium levels look like by age, how they affect memory, heart and kidney health and when to get tested—especially after 50.

  6. Understanding Serum Calcium Levels: Tests, Ranges, and Imbalances

    Normal calcium levels in the blood generally range between 8.5 and 10.2 milligrams per deciliter (mg/dL), although slight variations may occur depending on the laboratory conducting the test.

  7. Normal Calcium Levels - Endocrine Surgery | UCLA Health

    Learn about normal blood calcium levels, how the body regulates calcium, and what high calcium (hypercalcemia) means. Discover lab ranges, parathyroid hormone function, and signs of calcium …

  8. Calcium (Ca) in Blood Test - UPMC Health Library

    Normally the level of calcium in the blood is carefully controlled. When blood calcium levels get low (hypocalcemia), the bones release calcium to bring it back to a good blood level. When blood …

  9. Calcium (Blood) - University of Rochester Medical Center

    A normal range of total blood calcium in adults is usually between 8.5 and 10.3 milligrams/deciliter (mg/dL). A normal ionized calcium level generally ranges between 4.6 to 5.3 mg/dL.

  10. Calcium Blood Test: Normal Range, High, Low - Healthline

    Jan 25, 2019 · Generally speaking, a normal reference range for the blood total calcium test in adults is between 8.6 and 10.2 milligrams per deciliter (mg/dL). This range can vary from lab to lab. In order to...