Test ID: 25HDN
25-Hydroxyvitamin D2 and D3, Serum
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
83670
NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.
Yes
Useful For Suggests clinical disorders or settings where the test may be helpful
Diagnosis of vitamin D deficiency
Differential diagnosis of causes of rickets and osteomalacia
Monitoring vitamin D replacement therapy
Diagnosis of hypervitaminosis D
Method Name A short description of the method used to perform the test
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
25-Hydroxyvitamin D2 and D3, S
Aliases Lists additional common names for a test, as an aid in searching
25-Hydroxy D2
25-Hydroxy D3
25-Hydroxy Vitamin D
25-Hydroxycholecalciferol
25-Hydroxyergocalciferol
25-OH Vitamin D
Calcidiol
D2
D3
Vitamin D Assay
25-Hydroxy D3
25-Hydroxy Vitamin D
25-Hydroxycholecalciferol
25-Hydroxyergocalciferol
25-OH Vitamin D
Calcidiol
D2
D3
Vitamin D Assay
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