Vitamin D deficiency

Overview 
Theory 
Diagnosis 
Management 
Follow up 
Resources 

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

Deficiency: serum 25-hydroxyvitamin D ≤20 nanograms/mL
Insufficiency: serum 25-hydroxyvitamin D between 21 and 29 nanograms/mL
Sufficiency: serum 25-hydroxyvitamin D between 30 and 100 nanograms/mL
Intoxication: serum 25-hydroxyvitamin D >150 nanograms/mL.

Use of this content is subject to our disclaimer