| Ordering Code | 6556 |
|---|---|
| Test Name | Vitamin D, 25-Hydroxy, Total |
| Alias | 25-Hydroxy Vitamin D, Total 25-OH Vitamin D, Total |
| Preferred Specimen | Serum |
| Preferred Container | SST (Gold) |
| Other Specimen/Container | Plasma in EDTA, K2 (Lavendar), Plasma in Lithium Heparin (Green), Serum in Plain (Red) |
| Optimum Volume | 0.5 mL |
| Transport Requirements | Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Ambient: 8 Hours Refrigerated: 4 Days Frozen: 24 Weeks |
| Rejection Criteria | Insufficient quantity, Lipemic, Specimen older than stability limits, Wrong specimen type |
| Avail. Stat | NO |
| Analytic Time | 2 Days |
| Methodology | ElectroChemiluminescence Immunoassay |
Reference range(s)
The reference ranges listed below are valid on this date of June 1, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Vitamin D, 25-Hydroxy, Total | ALL | 20-50 | 20-50 | ng/mL |