Vitamin D, 25-Hydroxy

About the Test

This is a single-marker test measuring 25-hydroxy-vitamin D. This test is used for patients with low calcium levels, symptoms of vitamin D deficiency, or diseases that interfere with fat absorption, such as cystic fibrosis or Crohn's disease. This test also monitors the effectiveness of vitamin D, calcium, magnesium, or phosphorus supplementation. NOTE: DHA Laboratory blood draws must be performed at Labcorp.

Biomarkers

25-Hydroxy Vitamin D

25-Hydroxy Vitamin D

Biomarker name

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