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Laboratory Medicine

Test Directory / Vitamin A

Vitamin A

Brown clotted serum, gel barrier or orange lithium heparin

TestVitamin A
Common AbbreviationsVA
ProfileNA
Tube typeBrown clotted serum, gel barrier or orange lithium heparin
Clinical IndicationInvestigation of suspected vitamin A deficiency, especially in cases of fat malabsorption. It may also be used in cases of suspected toxicity as excessive intake of vitamin A can be hepatotoxic.
Specimen TypeBlood
Sample typeSerum or plasma
Minimum Volume0.5mL
Special PrecautionsSample must be sent to the laboratory ASAP after collection. Samples received after 4 hours from collection are not suitable for analysis. Sample should be protected from prolonged light exposure.
StabilityContact Referral Laboratory
Turnaround Time14 days
LaboratoryHull Royal Infirmary Beckett Street Leeds LS9 7TF 0113 206 6063
Reference IntervalContact Referral Laboratory
LimitationsContact Referral Laboratory
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Trust members and the general public are invited to find out more about their local hospitals by attending the Trust’s virtual Annual Members Meeting (AMM), incorporating the Annual General Meeting (AGM), on Tuesday 26 October 2021, between 11:00am-12:30pm.