Test Name

Vitamin D (25-hydroxy)

Specimen Type & Acceptability

Serum
7 days refrigerated.

General Use

Used to rule out Vitamin D deficiency, which is essential for the formation and maintenance of strong, healthy bones and potential cancer prevention.

CPT Code(s)

82306

Special Instructions

Let clot for 10-20 minutes. After the sample is fully clotted, centrifuge the sample. Verify complete separation of cells and serum and refrigerate.

Container/Tube Type

Volume

0.5 mL Min. vol. = 100 ul

Suggested Tube Types

Description

Typical Volume

Gold Top Serum Separator Tube (SST)

⋜ 5 mL

Tiger Top Serum Separator Tube (SST)
^For larger volume tests

> 5 mL

Red Top Tube (No additive)

⋜ 5 mL

EDTA Whole Blood

3 mL

3.2 % Sodium Citrate Whole Blood

2.7 mL

Lithium Heparin Plasma Separator Tube

⋜ 5 mL