CALCIUM

Test Code

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

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.