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Mid-Atlantic · Vitamin A Deficiency Test

Vitamin A Deficiency Test in Washington DC

This page explains the vitamin a deficiency test, what it measures, and how to order it. The Vitamin A Deficiency Test checks the level of Vitamin A in your blood to evaluate potential deficiencies.

Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

This test measures the amount of Vitamin A, also known as Retinol, in the blood. Vitamin A is crucial for vision, immune function, and skin health. A deficiency can lead to various health issues if left unchecked.

What it measures

  • Retinol — reflects Vitamin A levels in the blood

What the test involves

The test involves a standard blood draw from a vein in your arm. The sample is then analyzed in a laboratory to determine Vitamin A levels.

Why it is often ordered

Clinicians typically order this test if there are symptoms suggesting a Vitamin A deficiency, such as vision problems or skin issues. It may also be ordered for individuals with conditions affecting nutrient absorption.

Preparation

Preparation may include fasting or avoiding certain foods. Always follow the specific instructions provided by the collection lab.

How results are reported

Results indicate the level of Vitamin A in the blood and whether it falls within the lab's reference range. These ranges can vary between laboratories.

Before you go

  • Fasting requirements
  • Sample collection instructions
  • Turnaround time for results

Cities

Vitamin A Deficiency Test in Washington DC communities

Choose your city for local context and to request this test.