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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


NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


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-OH Vitamin D
Vitamin D Assay