Micronutrient, Vitamin A (Retinol)

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.

VITAMIN A (RETINOL)

*Important Information on Lab Test Processing Times: Ulta Lab Tests is committed to informing you about the processing times for your lab tests processed through Quest Diagnostics. Please note that the estimated processing time for each test, indicated in business days, is based on data from the past 30 days across the 13 Quest Diagnostics laboratories for each test. These estimates are intended to serve as a guide and are not guarantees. Factors such as laboratory workload, weather conditions, holidays, and the need for additional testing or maintenance can influence actual processing times. We aim to offer estimates to help you plan accordingly. Please understand that these times may vary, and processing times are not guaranteed. Thank you for choosing Ulta Lab Tests for your laboratory needs.

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.

Customer Reviews