Test Code VITAMINA(921) Retinol (Vitamin A)

Additional Codes

Quest Code: 921

Patient Preparation:
Overnight fasting is required

Preferred Specimen(s):
2 mL serum - protected from light

Send serum in an amber tube or clear aliquot tube in an amber bag. Please do not wrap specimen in foil or coban.

Reject Criteria:

Gross hemolysis • Grossly lipemic • Received room temperature • Not protected from light • Plasma

Transport Temperature:

Preferred: Frozen
Acceptable: Refrigerated with cold packs

Specimen Stability:
Room temperature: 24 hours
Refrigerated: 7 days (if sent on cold packs only)
Frozen: 28 days

Quest Diagnostics Nichols Institute

27027 Tourney Road

Valencia, CA 91355-5386