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Laboratory Medicine

Test catalogue

Calcium Ionized

Test Name

Calcium Ionized

Gold Tube Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Volume = 1 ml serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Ensure both samples and requisition are labeled properly. Fasting sample preferred. Write your initials, date and time of collection on the collection label or requisition.

Special Instructions Centrifuge the tube but DO NOT OPEN THE TUBE OR POUR OFF SERUM.

Rejection Criteria: Gross hemolysis, Unlabeled or Not Sufficient Quantity Samples will be rejected.

Stability: stable for one week unopened. Samples are scanned and stored at 2 – 80C for 1 week.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

1 hour for Trauma / Stat - 2 hours for routine

Test Utilization

Reference Value

1.15 - 1.35 mmol/L

Test Code




Testing Location


Other Information

Last Updated: June 06, 2019