Corewell Health Laboratories has discontinued routine Vitamin D testing via Tandem Mass Spectrometry (LAB1230925). The new test for diagnosing Vitamin D insufficiency and monitoring therapy is Vitamin D, 25-Hydroxy (LAB1231583), performed daily using an in-house immunoassay method.
Vitamin D screening for deficiency/insufficiency will now be conducted via immunoassay. Current requests for Vitamin D2/D3 by Mass Spectrometry will be sent out.
For any questions or concerns, please contact the Corewell Health West Laboratory.
TEST INFORMATION
Discontinue: LAB1230925 25-Hydroxyvitamin D2 and D3, Serum
Replacement: LAB1231583 Vitamin D 25 Hydroxy
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