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Serum calcium - Results

Alternative Names

Ca+2; Calcium - blood; Ca++

Normal Values:

Normal values range from 8.5 to 10.2 mg/dL.

Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

What abnormal results mean:

Higher-than-normal levels may be due to:

Lower-than-normal levels may be due to:

  • Hypoparathyroidism
  • Kidney failure
  • Liver disease (decreased albumin production)
  • Low serum magnesium
  • Malabsorption (inadequate absorption of nutrients from the intestinal tract)
  • Osteomalacia
  • Pancreatitis
  • Rickets and vitamin D deficiency

Additional conditions under which the test may be performed:

  • Reviewed last on: 10/30/2007
  • David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Goldman L, Ausiello D. Cecil Textbook of Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007.