1,25-Vitamin D (Hydrocholecalciferol)
Clinical Biochemistry
Sample and container requirements
Serum SST
Minimum volume required
500 μL serum
Special requirements
If transporting immediately, send by first class post. If not, freeze the sample and send frozen.
Patient preparation
None
Sample viability
Turnaround time
35 days
Reference range
Please refer to report for reference ranges.
Clinical guidance
Please follow the link below to the referral laboratory website for more information: https://www.easternpathologyalliance.nhs.uk/tests/125-dihydroxyvitamin-d/
Notes
Sent to Norfolk and Norwich University Hospitals, SAAS for Calcium and Bone Metabolism (Analytical Specialist Chemistry)
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This information was last updated on 19 August 2026