Micronutrient, Vitamin A (Retinol)

What it measures

• Vitamin a (Retinol)LOINC 2923-1

Before the visit

Fasting required

Overnight fasting is required.

Specimen

Specimen

2 mL serum - protected from light

Minimum volume

0.7 mL

Container

Amber transport tube

Temperature

Refrigerated (cold packs)

Patients should be 18 years of age or greater. Separate from cells within 24 hours after clotting. Send serum in an amber tube. If an amber tube is not available, wrap tube in aluminum foil to protect from light.

Turnaround

Set up: Mon-Sat

Billing

CPT 84590