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Laboratory Medicine

Test catalogue

1,25-Dihydroxyvitamin D (Vitamin D3)

Test Name

1,25-Dihydroxyvitamin D (Vitamin D3)

Gold Tube Specimen Type/Requirements

Container Type = 1 Gold Top

Minimum Volume = 3 ml Blood

Specimen Handling

Collection Instructions: Collect sample in Gold top tube. Ensure both samples and requisitions are labelled properly. Write your initials, date and time of collection on the collection label or requisition.

Laboratory Staff Instructions: Separate and freeze as soon as possible. Store and send frozen. Up to 4 freeze-thaw cycles acceptable

Rejection Criteria: Grossly hemolyzed and icteric samples, Unlabeled or Not Sufficient Quantity samples will be rejected.

Stability: Stable for 2 days at room temperature, 14 week refrigerated, and 1 year frozen.

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

Required Documentation

Turnaround Time (TAT)

7 Days

Test Utilization

Reference Value

Therapeutic: 48 - 190pmol/L

Test Code



CLIA DiaSorin Liaison XL

Testing Location

Referred Out – ON, Canada (ROICL02)

Other Information

Last Updated: June 06, 2019