VITAMIN A (RETINOL)

Test Code: U064Specimen Collection: Serum
Component:

Vitamin A, Retinol

Method:

HPLC

Collection Notes: Protect specimen from light; use foil wrapping or amber tubes. Plasma is not acceptable.
Clinical Utility: High concentrations of Vitamin A are associated with bone fracture. Low concentrations are consistent with fat malabsorption.
CPT Code: 84590Testing Location: Sent to reference lab
SPECIMEN/STABILITY TYPE
Temperature:

Serum (1 mL) Foil-wrapped

Ambient
 
24
 
Hours
Refrigerated
 
7
 
Days
Frozen
 
28
 
Days
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