VITAMIN D, 1,25-DIHYDROXY, SERUM
Marquette General Health System
Alpha Code |
  | VITD1 |
MGH LIS Test No |
  | 654 |
Schedule |
  | Monday-Friday |
Testing Time |
  | 1 days |
Testing Lab |
  | Mayo Labs |
QORR Test Code |
  | VITD1 |
Type |
  | 1 Red Top (Plain) |
Volume |
  | 2.4 mL |
Temperature |
  | Refrigerate |
Preservative |
  |   |
Collection Info |
  | Draw blood in a plain, red-top tube(s) or a serum gel tube(s) from a fasting patient (4 hour fast preferred). Spin down and send 2.4 mL of serum refrigerated. |
Clinical Utilities CPT Codes Reference Range
82544
22 - 67 pg/mL
Normal values were determined in the wintertime in Rochester, MN.
Normal patients who have increased exposure to sunlight may have
values above this normal range.
Component Information
Additional Comments
25 Hydroxy Vitamin D (test code OHD) is the analyte routinely monitored for
assessment of vitamin D dietary deficiency or toxicity.
1,25-Dihydroxyvitamin D levels may be low or normal cases of vitamin D toxicity.
Separate normal ranges for summer and winter are no longer given.
Questions or Comments email support@mgh.org
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