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Calcium, Ionized, whole blood (MtZ Only)

Item Value
Approval req'd? No
Available Stat? Yes
Test code CAIB
Test group Calcium
Performed by Mt. Zion Chemistry
In House Availability Test available 24 hours per day 7 days per week
Method Ion selective electrode (ISE) - Gem Premier 3500
Container type Plastic syringe containing 100U of dry heparin. remove needle, expel any bubbles, cap syringe and transport immediately to lab.
Amount to Collect 3 mL blood
Sample type Heparinized whole blood (Blood gas syringe only)
Preferred volume 3 mL blood
Min. Volume 1 mL blood
UCSF Rejection Criteria Samples submitted > 30 min. after collection. Samples with needle attached, containing large bubbles, unlabeled, clotted or of insufficient volume
Units mmol/L
Normal range
< 6 months 0.95-1.50 mmol/L
≥ 6 months 1.15-1.29 mmol/L
Critical value < 0.80 mmol/L or > 1.55 mmol/L
Synonyms iCa; Ca; Ca++; Free calcium; Calcium, free; Ionized calcium
Stability 10 min.
Turn around times Stat 15 min, Routine 30 min
CPT coding 82330
Last Updated 5/29/2016 7:42:50 PM
Entry Number 164
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