VITAMIN D, INFANTS (NICU ONLY)
| Synonyms: | 25-OH VITAMIN D |
| Computer Code: | (PVITD) |
| Specimen Collection: | 5 mL blood red or gold top tube. |
| Minimum Volume: | 1.0 |
| Handling Instructions for Offsite Areas: | Allow to clot, centrifuge for 20 min, remove serum, freeze. Min 0.3 serum. |
| Reference Values: | <20 ng/ml = Deficiency 20 to <30 ng/ml = Mild Deficiency 30 - 100 ng/ml = Optimal >100 ng/ml = Possible Toxicity Note: Season, race and dietary intake are all known to affect the normal levels of 25-OH-D. 25-OH-D values correlate well with U.V. radiation exposure. Highest levels of 25-OH-D are found during the summer months and lowest levels during the winter. Race has also been shown to significantly influence the normal levels of 25-OH-D. It has been reported that the mean plasma level of 25-OH-D in whites is greater than in blacks. |
| Lab Code: | Serology |
| Requisition: | CC |
| Test Frequency: | Daily |
| Routine TAT: | 1 day |
| Stat TAT: | NA |
| CPT Code(s): | 82306 |
| LCD or NCD: | |
| Methodology Used: |
See Addendum XVII |