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Test ID: 2425D    
25-Hydroxyvitamin D:24,25-Dihydroxyvitamin D Ratio, Serum

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Useful For Suggests clinical disorders or settings where the test may be helpful

As a screening test for inactivating CYP24A1 mutations in patients with symptoms, signs, or biochemical findings of parathyroid hormone (PTH)-independent hypercalcemia or hypercalciuria

Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.

Test IDReporting NameAvailable SeparatelyAlways Performed
2425R24,25 Dihydroxy Vitamin DNoYes
25HDN25-Hydroxyvitamin D2 and D3, SYesYes

Method Name A short description of the method used to perform the test

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

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

Yes

Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

25HDN:24,25 Dihydroxy VitD Ratio, S

Aliases Lists additional common names for a test, as an aid in searching

2425D
2425R
2425
24,25-Dihydroxyvitamin D
Hydroxycalcifediol
Hydroxycalcidiol
P450CC24
Cytochrome P450 Family 24
Cytochrome P450 Subfamily XXIV
Vitamin D 24-Hydroxylase
25-Hydroxyvitamin D 24-Hydroxylase
Dihydrocholesterol
2425OHD
CYP24A1
Calciferol
Ergocalciferol
Calcidiol
Cholecalciferol
Colecalciferol
Vitamin D Assay
CYP24