Carotenes
Clinical Biochemistry
Sample and container requirements
Plain serum EDTA Plasma Lithium Heparin Plasma (paediatrics only) (non-gel) Whole blood EDTA
Minimum volume required
250 µL serum/plasma, 500 µL whole blood
Special requirements
Fasting sample. Light-sensitive. Send by first class post within 72 hours of collection. If delivery to Glasgow is outwith 72 hours, separate sample and store plasma frozen until sending and then send by first class post.
Patient preparation
None
Sample viability
Turnaround time
15 days
Reference range
Please refer to report for reference ranges.
Clinical guidance
Please follow the link below to the referral laboratory website for more information: https://www.trace-elements.co.uk/vitamin-a.asp
Notes
Sent to Glasgow, Scottish Trace Element and Micronutrient Diagnostic and Research Laboratory
Images to go here
This information was last updated on 19 August 2026