Ionized Calcium
Methodology
Radiometer ABL90
Performing Laboratory
Heart of the Rockies Regional Medical Center
Specimen Requirements
Specimen Type: Whole blood, venous
Container/Tube: Dark-green top
Specimen Volume: Full tube
Collection Instructions: Do not open tube prior to testing
Additional Information:
1. Specimen must be collected at HRRMC. Order Mayo Ionized calcium if collecting off-site from main campus
2. Must be analyzed immediately, within 30 minutes of collection
Specimen Transport Temperature
Rroom temp, deliver to lab ASAP
Reference Values
4.6-5.2 mg/dL
Critical value: <3.6 and >6.0 mg/dL
Day(s) Test Set Up
All
Test Classification and CPT Coding
82330