Test ID: CA
CPT code: 82310
LOINC: 17861-6
Specimen Type: Red, SST, PST, RST
Frequency: Setup: Daily; TAT <4 hrs
Instructions: Serum (red or SST). Alt/ heparinized plasma (PST). 0.5mL minimum.
Refrigerate.
Text: Workup and monitor hyperparathyroidism and calcium metabolism
Methodology: Colorimetric