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Calcium
MessageDay(s) Test Set Up: Monday through Sunday
Test Code
CA
CPT Codes
82310
Preferred Specimen
1.0 mL plasma
Instructions
Draw blood in an PST tube. Spin down and send 1.0 mL plasma refrigerated.
Transport Container
PST tube
Transport Temperature
Refrigerated
Methodology
Colorimetric
Reference Range
8.4 - 10.5 mg/dL Alarm values: <6.0 mg/dL or >13.0 mg/dL
Clinical Significance
Calcium is the prime inorganic messenger for regulation of cell functions. It plays a vital role in coagulation. It also serves to confer rigidity to the extracellular protein matrices of bones and teeth.
Last Updated: July 10, 2018