This page explains the vitamin a deficiency test, what it measures, and how to order it. This blood test helps assess your body's Vitamin A levels to check for potential deficiencies.
Typical turnaround1-3 business days
Price range$116
PreparationFollow the lab's instructions.
Sample typeBlood draw at a collection lab
ReferralNo referral required
What this test is
Vitamin A is a fat-soluble nutrient essential for vision, immune function, and cell growth. This test measures the amount of Vitamin A in your blood to determine if levels are within a typical range.
What it measures
Vitamin A (Retinol) — reflects the amount of Vitamin A available for use by the body
What the test involves
A healthcare professional will collect a blood sample, usually from a vein in your arm. The sample is then sent to a laboratory for analysis.
Why it is often ordered
Clinicians may order this test if they suspect a Vitamin A deficiency based on your diet, symptoms, or medical history. It can help identify if your body has enough of this important vitamin.
Preparation
Follow any specific instructions provided by the laboratory regarding food or drink consumption before your test. Generally, no special preparation is needed.
How results are reported
Results are typically available within a few business days and will indicate whether your Vitamin A level is low, normal, or high. Reference ranges can vary between laboratories.
Before you go
Fasting requirements
Specific preparation instructions
Estimated turnaround time
Cities
Vitamin A Deficiency Test in Rhode Island communities
Choose your city for local context and to request this test.
