Skip to main content

Table 3 Cut-off points for the definition of vitamin D status based on circulating levels of 25(OH)D

From: Vitamin D in pediatric age: consensus of the Italian Pediatric Society and the Italian Society of Preventive and Social Pediatrics, jointly with the Italian Federation of Pediatricians

 

Severe deficiency

Deficiency

Insufficiency

Sufficiency

25(OH)D

< 10 ng/ml (< 25 nmol/l)

< 20 ng/ml (< 50 nmol/l)

20–29 ng/ml (50–74 nmol/l)

≥ 30 ng/ml (≥ 75 nmol/l)

  1. Conversion factor: ng/ml = nmol/l*0.401; nmol/l = ng/ml*2.496