Vitamin D3, 1,25(OH)2
No age/sex specific ranges for this test.
Vitamin D2, 1,25(OH)2
No age/sex specific ranges for this test.
Vitamin D, 1,25(OH)2, Total, LC/MS/MS
1 year to 9 years: 31-87 pg/mL
10 years to 13 years: 30-83 pg/mL
14 years to 17 years: 19-83 pg/mL
Adults: 18-72 pg/mL
Vitamin D3, 1,25(OH)2 indicates both endogenous
production and supplementation. Vitamin D2, 1,25(OH)2 is
an indicator of exogenous sources, such as diet or
supplementation. Interpretation and therapy are based on
measurement of Vitamin D, 1,25 (OH)2, Total.