Vitamin D

Specimen Required

one SST/gel tube

Specimen Minimum Volume

2.0 mL of blood

Specimen Stability Information

Centrifuged specimens stable up to 7 days.

Special Instructions

Hemolyzed specimens unacceptable. Measures both D2 and D3 forms.

Performing Laboratory

Monday – Friday. Turn around time is 24 hours.

Reference Values

Deficiency <20.0 ng/mL nInsufficiency 20.0 - 29.9 ng/mL nSufficiency 30.0 - 100.0 ng/mL nToxicity >100.0 ng/mL