Vitamin D
| Test Name | Vitamin D 25-Hydroxy |
| Alternate Name(s) | |
| Laboratory Module | LAB |
| Ordering Mnemonic | VIT D |
| Specimen Type |
Serum |
| Collection Container | SST-5mls |
| Container Information |
SST Tube
 Micro-SST Tube |
| Collection Information | |
| Test Schedule | |
| Routine Turnaround Time | 2 days |
| Stat Turnaround Time | |
| Reference Interval |
Levels vary with exposure to sunshine. Dietary intake of vitamin D may affect circulating levels. Samples tested for total 25-OH-D may yeield results lower than actual values due to the potential under recovery of supplemental 25-OH-D2. |
| Critical Values | |
| Lab Process Notes | Specimen requirement: 2 ml. Centrifuge only. |
| Storage and Transport |
Store and send refrigerated. |
| Test Referred To | Reference Laboratory |
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