Test Code 25VITD Vitamin D, 25 Hydroxy (Total Vitamin D)

Important Note

Caution - This is not the same as 1,25 dihydroxy vitamin D.

Epic ID

LAB535

Preferred Collection Container: plain red top serum tube or SST

Also Acceptable Collection Container: EDTA purple top tube or lithium heparin green top tube

Collection Information:

Collect 1 mL serum.

Serum or plasma must be separated from cells within 2 hours of collection.

Temperature	Stability	Preferred Transport
Refrigerated	4 days	X

Gross hemolysis

Allen Hospital Laboratory

Daily

2 hours

>30 ng/mL

82306