Vitamin A (Retinol)
Also known as 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
- Also accepted
- Foil wrapped transport tube protected from light
- Container
- Amber transport tube
- Temperature
- Refrigerated (cold packs)
Allow blood to clot at room temperature for 30 minutes. Centrifuge to separate serum from the cells within 24 hours of collection and immediately pour serum into a plastic transport tube.
Turnaround
Set up: Mon-Sat (10:00 a.m.); Report available: 2-4 days
Billing
CPT 84590