Eurofins Biomnis code

VA

Synonyms

• Axerophtol
• Retinol

Specialty

Analytical Chemistry

Clinical significance

This test is for the investigation of deficiency due to malabsorption or RBP deficiency, and for chronic poisoning (which is fairly common).

Preanalytics

• 2 mL :
• Heparin plasma (do not use separator gel)
•   FROZEN
• 90 minutes

• A tube specifically for this analysis : No

Further information

Sample to be frozen within 90 minutes . Home sampling is not advisable.
If requested with vitamin E, 1 specific aliquot for both assays.
Store samples protected from light but do not pack the tube.

Methodology

HPLC - High Performance Liquid Chromatography

Turnaround time

4 days