The Micronutrient, Vitamin A (Retinol) test contains 1 test with 1 biomarker.
Clinical Significance
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.
Patient Preparation
Overnight fasting is required
Reference Range(s)
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.
The following is a list of what is included in the item above. Click the test(s) below to view what biomarkers are measured along with an explanation of what the biomarker is measuring.
MICRONUTRIENT, VITAMIN A (RETINOL) #10179
1 Biomarkers - Specimen Type: Serum
Biomarkers 1
VITAMIN A (RETINOL)
*Process times are an estimate and are not guaranteed. The lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.