Quest Test

Calcium Serum Test

Quick Overview

The Calcium blood test measures the amount of calcium in the blood.  Calcium is one of the most influential and plentiful minerals found in the body.

Test #303

$28.00

Availability: In stock

Also Known As Ca, Calcium Carbonate, Calcium Citrate, Calcium Glubionate, Calcium Gluconate, Calcium Lactate, Calcium Phosphate, Tricalcium Phosphate, Calcium Total
Preparation

Fasting for 10-12 hours required.

Test Results 1-3 days. May take longer based on weather, holiday or lab delays.

Calcium is a building block for strong bones and teeth. It is required for the relaxation and contraction of muscles. Calcium takes part in nerve signaling including sending nerve impulses and controlling the irritability of nerves. In addition, it aids in the clotting of blood. Calcium is also crucial for healthy heart function.

Calcium is extremely critical during childhood and adolescence. During pregnancy, breastfeeding and after menopause are times when times when calcium is a necessity. A lack of calcium during puberty and adulthood may be attributed to the development of osteopenia and osteoporosis. These conditions cause fragile bones that may break easily.

This test may be performed when signs and symptoms are displayed such as:

  • Bone diseases
  • Abnormal vitamin D level
  • Chronic kidney disease
  • Overactive thyroid gland
  • Taking too much thyroid hormone medications
  • Certain cancers including breast, lung, kidney, neck, and multiple myeloma
  • Chronic liver disease
  • Intestinal absorption issues
  • Disorders of the parathyroid glands

Higher than normal level may be due to:

  • Bed rest for an extended period of time
  • Hyperparathyroidism
  • Hyperthyroidism
  • Consuming too much vitamin D or calcium
  • Certain cancers, multiple myeloma, and T cell lymphoma
  • Metastatic bone tumor
  • Infections causing granulomas such as tuberculosis, fungal and mycobacterial infections
  • Paget disease
  • Sarcoidosis
  • Tumors that produce a parathyroid hormone-like substance
  • Taking medications such as lithium, tamoxifen, and thiazides

Lower than normal level may be due to:

  • Intestinal absorption issues
  • Kidney failure
  • Liver disease
  • Hypoparathyroidism
  • Deficiencies of albumin, magnesium, or vitamin D
  • Pancreatitis

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