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Vitamin D, 25-Hydroxy (25-Hydroxyvitamin D2 & D3)
Alias: 
25-Hydroxy D2, 25-Hydroxy D3, 25-Hydroxy Vitamin D, 25-Hydroxycholecalciferol, 25-Hydroxyergocalciferol, 25-OH Vitamin D, Calcidiol, D2, D3, Vitamin D Assay, Vitamin D

Methodology: 
Electrochemiluminescence

Performed: 
Monday-Friday 8:00a to 10:00p
Saturday-Sunday 9:00a to 5:00p

Analytical Time: 
4 hours

Testing Laboratory: 
Pathology Laboratory

Laboratory Section: 
Core Laboratory

Vitamin D, 25-Hydroxy (25-Hydroxyvitamin D2 & D3)
Preferred Collection Container: 
Light Green (Lithium Heparin Plasma Separator Tube)
SST (Serum Separator)

Also Acceptable Collection Container: 
Green No Gel (Lithium Heparin)
Red (No Additive)
Plasma from Lavender tubes is acceptable but will not route in the Laboratory Information System (Sunquest).

Collection Information: 
Collect blood in a Light Green (Lithium Heparin Plasma Separator Tube) or SST (Serum Separator) tube. Green No Gel (Lithium Heparin) and Red (No Additive) are also acceptable.

Transport Information: 
Centrifuge and aliquot 1.0 mL of serum or plasma into a plastic transport vial. Send refrigerated.

Minimum Sample Volume: 
0.4 mL of serum or plasma (approximately 0.8 mL of whole blood based upon a normal patient hematocrit)

Unacceptable Conditions: 
Grossly hemolyzed or lipemic specimens.

Stability
Refrigerated Stability: 
4 days - Preferred

Frozen Stability: 
24 weeks

Ambient Stability: 
8 hours

Vitamin D, 25-Hydroxy (25-Hydroxyvitamin D2 & D3)
Sunquest Order Code: 
25VITD

Epic Number: 
LAB535

CPT Code: 
82306

Vitamin D, 25-Hydroxy (25-Hydroxyvitamin D2 & D3)
Modified: 
7/19/2016 9:33:23 AM