The Micronutrient, Vitamin A (Retinol) test contains 1 test with 1 biomarker.
Micronutrient, Vitamin A (Retinol) - Vitamin A is critical for vision, growth and many cell functions. High concentrations of Vitamin A are seen with renal failure, but this is not associated with toxicity and excessive ingestion. High concentrations are associated with bone fractures. Low concentrations of Vitamin A are consistent with fat malabsorption and are rarely due to inadequate diet.
Patients must be 18 years of age or greater.
Overnight fasting is required
18-19 years 26-72 mcg/dL
>19 years 38-98 mcg/dL
Reference range not available for individuals <18 years for this micronutrient test.