Sign In
St. John Health System
Lab Catalog


Index:

Calcium

Order Name CALCIUM
Test Number: 2001150
Revision Date 04/30/2021
Test Name Methodology LOINC Code
Calcium
Arsenazo 17861-6 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Plasma Lithium Heparin PST (Light Green Top) Refrigerated
Alternate 1 1 mL (0.5) Serum Clot Activator SST Refrigerated
Instructions Stability: Ambient 7 days, Refrigerated 3 weeks, Frozen 8 months
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1-2 days  
Clinical Use Useful for identifying individuals with high or low calcium values due to causes such as primary hyperparathyroidism, vitamin D overdose, multiple myeloma, rickets steatorrhea and acute pancreatitis. Advanced renal failure and adult rickets with osteomalacia are accompanied by pronounced hypocalcemia. 
CPT Code(s) 82310
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Chemistry