25-Hydroxy Vitamin D
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25-Hydroxyvitamin D, Serum
Test ID: 25VITD
Orderable by Ontario ND
Test
Aliases/Synonyms
Method
Chemiluminescence Immunoassay
Platform
DiaSorin Liaison
Report Includes
25-Hydroxyvitamin D
Specimens
Serum
Clinical Utility
This method measures 25-Hydroxyvitamin D2 and 25-Hydroxyvitamin D3.
Test Location
Mount Sinai Hospital, 600 University Avenue, Toronto ON M5G 1X5
Test Version
4-Apr-2023
Specimen
Specimens
Serum
Sample Volume
2 mL
Collection & Handling
Handling Information
Store and send frozen.
Additional Information
This test is performed when unspecified “Vitamin D” is ordered.
Stability
| Ambient | 7 days |
|---|---|
| Refrigerated | 1 month |
| Frozen | >1 year |
Rejection Criteria
| Specimen | Plasma |
|---|
Test Version
4-Apr-2023
Performance / Interpretation
Method
Chemiluminescence Immunoassay
Platform
DiaSorin Liaison
Turnaround Time
5 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| 25-Hydroxyvitamin D | nmol/L | ng/mL x 2.50 | ||
Test Location
Mount Sinai Hospital, 600 University Avenue, Toronto ON M5G 1X5
Test Version
4-Apr-2023
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| 25VITD | 303625-OH-Vitamin D | nmol/L |
Test Version
4-Apr-2023