Criteria

Vitamin D status by serum 25-hydroxyvitamin D concentration[1]​

  • Deficiency: serum 25-hydroxyvitamin D <50 nanomoles/L (≤20 nanograms/mL)

  • Insufficiency: serum 25-hydroxyvitamin D between 52 and 72 nanomoles/L (21 and 29 nanograms/mL)

  • Sufficiency: serum 25-hydroxyvitamin D between 75 and 250 nanomoles/L (30 and 100 nanograms/mL)

  • Intoxication: serum 25-hydroxyvitamin D >374 nanomoles/L (>150 nanograms/mL).

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