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Laboratory Medicine

Test catalogue

Calcium

Test Name

Calcium

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: Serum or heparinized plasma collected with or without gel separator. Write your initials, date and time of collection on the collection label or requisition.

Laboratory Staff Instructions Serum or heparinized plasma free from hemolysis collected with or without gel separator. Separate serum or plasma from cells within 2 hours of collection

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

Stability: Calcium is stable in serum or plasma at room temperature for 4 h, refrigerated for 3 weeks and for 8 months at -15 to -20°C.

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

Routine

Reference Value

2.10 - 2.60 mmol/L

Test Code

CA

Methodology

Potentiometric Assay

Testing Location

SMH-Biochemistry

Other Information

Last Updated: June 06, 2019