Test Code ICALC Calcium, Ionized, Blood
Performing Laboratory
NorDx
Reference Values
1 day to 20 years: 1.1-1.4 mmol/L
>20 years: 1.10-1.35 mmol/L
Critical value: ≤0.75 or ≥1.6 mmol/L
Day(s) Test Performed
Monday through Sunday
Methodology
Ion-Selective Electrode (ISE)
Specimen Requirements
Draw blood in a serum gel tube. Spin down but DO NOT TRANSFER OR OPEN TUBE. Send specimen refrigerated.
Test Classification and CPT Coding
82330