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Vitamin D (25-Hydroxy) Total (25 (OH) Vitamin D2 and D3)
MessageTotal Vitamin D assay measures both 25(OH)vitamin D2 and 25(OH) vitamin D3
Test Code
VITAD
Preferred Specimen
1 mL Serum, Plasma(EDTA, Li heparin, Na heparin)
Instructions
"Refrigerate up to 7 days if not complete within 24 hrs. Freeze if not asssayed within 7 days
Testing Frequency: Daily"
Testing Frequency: Daily"
Transport Container
SST
Transport Temperature
Refrigerate
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stability: Refrigerate up to 7days, Freeze if not assayed within 7days
Reference Range
"M Up to 999 Years 30 - 100 ng/mL
F Up to 999 Years 30 - 100 ng/mL"
F Up to 999 Years 30 - 100 ng/mL"
Clinical Significance
"Expected Value(s):
TVTDExpected Value(s):
<20 Significant (or severe) deficiency
20-29 Mild deficiency
30-100 Normal range (or optimal)
>100 Consider toxicity"
TVTDExpected Value(s):
<20 Significant (or severe) deficiency
20-29 Mild deficiency
30-100 Normal range (or optimal)
>100 Consider toxicity"
