Table 3.
Vitamin D status as measured by 25(OH)D serum concentration.
| VIT-D status | Global consensus recommendations on prevention and management on nutritional rickets 33 | Recommendations Holick 26 | ||
|---|---|---|---|---|
| 25(OH)D a | ||||
| ng/ml | nmol/l | ng/ml | nmol/l | |
| Sufficiency | >20 | >50 | 30–60 | 75–150 |
| Insufficiency | 12–19 | 30–50 | 20–29 | 50–74 |
| Deficiency | <12 | <30 | <20 | <50 |
| Intoxication | >100 b | >250 b | >150 | 375 |
a
Conversion factor ng/ml to nmol/l = 2.5.
b
With hypercalcaemia, hypercalciuria and suppressed PTH.
PTH, parathyroid hormone; VIT-D, vitamin D.