Biochemistry
| Full details for "Vitamin A". | |||||||||||||||||||||
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Name |
Vitamin A | ||||||||||||||||||||
Alternative name/Profile |
Retinol | ||||||||||||||||||||
Department |
Biochemistry | ||||||||||||||||||||
Investigation |
Vitamin A levels are used to diagnose or monitor potential deficiency or toxicity of Vitamin A in the body. Performed in conjunction with Vitamin E | ||||||||||||||||||||
Specimen type |
Serum | ||||||||||||||||||||
Sample type |
Serum | ||||||||||||||||||||
Sample container & volume |
5ml - Red Tube | ||||||||||||||||||||
Frequency of analysis |
Fortnightly | ||||||||||||||||||||
Turnaround time |
15 working days | ||||||||||||||||||||
Availability |
Due to stability issues, this test is not available to GPs | ||||||||||||||||||||
Notes |
Fasting sample required. Protect from light. Separate serum and freeze within 1 hour. Units - µmol/L
Vit A Interference The following information is supplied by manufacturer, Chromsystems: The following medications are known to falsely elevate levels of Vit A:
Other metabolites that can interfere with assay and cause falsely elevated Vit A are: All-trans-13, 14-dihydro retinol (metabolite of retinol) | ||||||||||||||||||||
Related links |
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Reference range |
* Haemolysed samples are unsuitable for analysis. | ||||||||||||||||||||
Last updated |
Fri, 22 Aug 2025 11:41:06 IST |
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