Calcium, Ionized, Serum
1-3 Business days
Ionized calcium (free calcium) is calcium in your blood that is not attached to proteins. It is the most active form and accounts for 50% to 55% of total calcium.
Ion Specific Electrode (ISE)
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.