Test Code VITD Vitamin D, Total
Methodology
Chemiluminometric ImmunoassayPerforming Laboratory
Aspen Valley HospitalSpecimen Requirements
Container/Tube: Gold-top serum gel tube(s) or orange-top tube(s).Specimen: 2 mL (minimum volume: 1 mL) of serum
Transport Temperature: Refrigerate
Collection Instructions: Allow specimen to clot for approximately 10 minutes and spin down. If drawing gold-top serum gel tube, send entire tube to laboratory. If drawing orange-top tube, remove serum and place in separate plastic vial. If there is a delay in transport of >48 hours, send specimen frozen.
Reference Values
Deficient: ≤19 ng/mLInsufficient: 20- 30 ng/mL
Sufficient: 30-100 ng/mL
Toxic: ≥101 ng/mL