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CALCIUM
Test CodeCA
CPT Codes
82310
Preferred Specimen
1 Gold tube (gel separator)
Minimum Volume
0.6 mL serum or plasma
Other Acceptable Specimens
or 1 Green tube (Lithium Heparin)
Instructions
Centrifuge for complete separation of plasma/serum and red cells. See Specimen Container for appropriate sample type.
Specimen Stability
2-8°C up to 22 days; 15-30°C up to 7 days; Frozen up to 1 year
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed
Methodology
Arsenazo III
Setup Schedule
M, T, W, Th, F, Sa, Sun
Reference Range
8.6 - 10.3 mg/dL
Clinical Significance
Calcium is important in the structure of bones and in neuromuscular activity. A deficiency of calcium in the body fluids causes hyperexcitable nerves and muscles; excess calcium has the opposite effect.
Performed By
Alverno Laboratories
Performing Laboratory
Alverno Central Lab
NCHB1 (Chemistry, Beckman AU)
Last Updated: April 25, 2023