Pacific · Vitamin A Deficiency Test

Vitamin A Deficiency Test in California

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 California communities

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

Los Angeles12,121,244Vitamin A Deficiency Test San Francisco3,290,197Vitamin A Deficiency Test San Diego3,084,174Vitamin A Deficiency Test Riverside2,022,285Vitamin A Deficiency Test Sacramento1,924,167Vitamin A Deficiency Test San Jose1,729,879Vitamin A Deficiency Test Fresno719,558Vitamin A Deficiency Test Concord640,270Vitamin A Deficiency Test Bakersfield590,845Vitamin A Deficiency Test Mission Viejo588,540Vitamin A Deficiency Test Murrieta509,526Vitamin A Deficiency Test Long Beach466,565Vitamin A Deficiency Test Oakland437,548Vitamin A Deficiency Test Stockton406,822Vitamin A Deficiency Test Victorville389,060Vitamin A Deficiency Test Modesto382,994Vitamin A Deficiency Test Lancaster381,732Vitamin A Deficiency Test Oxnard366,330Vitamin A Deficiency Test Indio361,831Vitamin A Deficiency Test Anaheim348,204Vitamin A Deficiency Test Antioch322,796Vitamin A Deficiency Test Santa Rosa314,196Vitamin A Deficiency Test Santa Ana313,818Vitamin A Deficiency Test Irvine297,868Vitamin A Deficiency Test Santa Clarita275,230Vitamin A Deficiency Test Chula Vista274,818Vitamin A Deficiency Test Visalia249,804Vitamin A Deficiency Test Fremont231,502Vitamin A Deficiency Test San Bernardino220,821Vitamin A Deficiency Test Thousand Oaks211,045Vitamin A Deficiency Test Moreno Valley208,371Vitamin A Deficiency Test Fontana208,087Vitamin A Deficiency Test Salinas199,290Vitamin A Deficiency Test Huntington Beach198,735Vitamin A Deficiency Test Santa Barbara198,240Vitamin A Deficiency Test Glendale196,512Vitamin A Deficiency Test Hemet191,170Vitamin A Deficiency Test Vallejo181,882Vitamin A Deficiency Test Elk Grove175,510Vitamin A Deficiency Test Ontario175,223Vitamin A Deficiency Test Oceanside174,461Vitamin A Deficiency Test Rancho Cucamonga173,946Vitamin A Deficiency Test Garden Grove172,708Vitamin A Deficiency Test Palmdale167,987Vitamin A Deficiency Test Santa Cruz165,933Vitamin A Deficiency Test Hayward162,254Vitamin A Deficiency Test Corona157,844Vitamin A Deficiency Test Merced157,617Vitamin A Deficiency Test Sunnyvale155,550Vitamin A Deficiency Test Pomona151,592Vitamin A Deficiency Test Escondido151,443Vitamin A Deficiency Test Torrance147,156Vitamin A Deficiency Test Roseville145,687Vitamin A Deficiency Test Fairfield145,163Vitamin A Deficiency Test Fullerton142,964Vitamin A Deficiency Test Santa Maria142,230Vitamin A Deficiency Test Orange139,195Vitamin A Deficiency Test Pasadena138,771Vitamin A Deficiency Test Yuba City129,536Vitamin A Deficiency Test Santa Clara127,922Vitamin A Deficiency Test