25-hydroxy Vitamin D
Vitamin D 25-OH
25-Hydroxyvitamin D, Total
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Diagnosis of vitamin D deficiency, differential diagnosis of causes of rickets and osteomalacia, monitoring vitamin D replacement therapy, and diagnosis of hypervitaminosis D.
Optimal: 25 - 100 ng/mL; Deficiency: <10 ng/mL; Toxicity: >150 ng/mL.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.