Calcium, Ionized, Serum
Fasting Required: No

Specimen: Blood

Results: 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.