Sorted By Test Name - Mayo Medical Laboratories

Clinical Information: The calcium content of an adult is somewhat over 1 kg (about 2% of the body
weight). Of this, 99% is present as calcium hydroxyapatite in bones and 11.5 mg/dL, although patients may be
asymptomatic at this level. Levels >12.0 mg/dL are considered a critical value in the Mayo Health
System. Severe hypercalcemia (>15.0 mg/dL) is a medical emergency.
Reference Values:
Males
1-14 years: 9.6-10.6 mg/dL
15-16 years: 9.5-10.5 mg/dL
17-18 years: 9.5-10.4 mg/dL
19-21 years: 9.3-10.3 mg/dL
> or =22 years: 8.9-10.1 mg/dL
Reference values have not been established for patients that are or =19 years: 8.9-10.1 mg/dL
Reference values have not been established for patients that are