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vitamin A (retinol)

Name vitamin A (retinol)
Specimen requirements 1 ml of serum
Procedure remarks Haemolysis is disruptive.
Storage and transport Directly after taking the sample, protect it from light and store chilled;
transport it quickly to the laboratory, otherwise, transport and store deep-frozen
Clinical utility hyperkeratosis, malabsorption, night blindness, growth disorders, liver diseases
Methodology HPLC (high-performance liquid chromatography)
Reference ranges 0.3-0.7 mg/l