Vitamin D Total is a measure of total serum Vitamin D3 and D2

Vitamin D test total measures vitamin D3 + D2 total.
For separate breakdown of D3 (cholecalciferol) and D2 (ergocalciferol), order Vitamin D test (D3, D2) reported individually

What nutrients and/or metabolites are measured?
Total 25-hydroxyvitamin D3 (cholecalciferol) and 25-hydroxyvitamin D2 (ergocalciferol)

Test specimen: Serum