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HelpTest Code LAB12458 Vitamin D 25-Hydroxy, Total (Calcidiol, Total 25 OH Vitamin D, D3)
Department
CHEMISTRY
Primary Collection Container
Gold (SST)
Alternate Collection Container
Yellow Microtainer SST
Transport
Refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge and refrigerate.
Stability
Ambient: 24 hours
Refrigerated: 6 days
Frozen: 2 months
Minimum Testing Volume
0.8 mL
Reference Range
Vitamin D deficiency <20 ng/mL Vitamin D insufficiency 20-29.9 ng/mL Vitamin D sufficiency: 30-100 ng/mL Vitamin D toxicity: >100 ng/mLMethodology
Roche e801 Electrochemiluminescence Immunoassay; Competition principle
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
82306
Unacceptable Conditions
Hemolyzed specimens.