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Vitamin D 1, 25 Dihydroxy, Lc/Ms
Test CodeLAB8563
CPT Codes
82652
Includes
Vitamin D, 1, 25 (OH)2, Total; Vitamin D3, 1, 25 (OH)2; Vitamin D2, 1, 25 (OH)2
Preferred Specimen
Red no-additive no-gel
Minimum Volume
0.5 mL
Instructions
Collect blood in a Vacutainer. Allow blood to clot (30 minutes) at room temperature, 18-25° C. Centrifuge and separate the serum from the cells. Note: If sample is submitted with less than 1.1 mL and needs to be repeated the sample will be cancelled with the comment "TNP-Initial testing necessitated a repeat, but there was insufficient sample to perform repeat".
Transport Temperature
Room Temperature
Specimen Stability
Room temperature: 28 days
Refrigerated: 28 days
Frozen: 28 days
Refrigerated: 28 days
Frozen: 28 days
Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
