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Midwest · Vitamin A Deficiency Test

Vitamin A Deficiency Test in Minnesota

This page explains the vitamin a deficiency test, what it measures, and how to order it. This blood test measures vitamin A levels to help evaluate for a deficiency. It is typically ordered when symptoms suggest low vitamin A or when a person has risk factors.

Sample typeBlood and/or urine at a collection lab
ReferralIncluded — no referral from your own doctor needed

Lab requirements in Minnesota

Here is what you need before ordering and completing the Vitamin A Deficiency Test in MN. Review each item and confirm the details with the collection lab.

Physician's order
Included. A physician's order is required for lab testing and is provided for you by our partner's physicians — no referral from your own doctor is needed.
Fasting
Some tests require fasting or avoiding certain foods or drinks beforehand. You will be informed when you order — confirm the details with the collection lab.
Preparation
Preparation instructions can vary, so follow the specific directions provided by the collection lab. Typically, no special preparation is needed, but the lab will confirm any requirements.
Sample & visit
A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
Identification
Bring the lab requisition form from your account. The collection lab may also ask for a government-issued photo ID.
Turnaround
1-3 business days
Availability
Our partner lab does not serve ND, RI, NY, NJ, MD or HI. Confirm availability for your location with the collection lab.

Before you go

  • Order your test before visiting a lab, then use the requisition form in your account.
  • Print the requisition form, or fax it to the lab directly from your account.
  • No scheduling is needed — visit the collection lab during its normal business hours.
  • A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
  • Bring a government-issued photo ID in case the lab requests it.
  • Results are posted to your secure account within 1–3 business days.

Requirements are summarized from our partner lab's published policies. Preparation and availability can change — confirm current instructions with the collection lab before your visit.

What this test is

The vitamin A deficiency test is a blood test that measures the amount of retinol, the primary form of vitamin A, in the blood. It helps assess whether vitamin A stores are adequate for normal vision, immune function, and skin health.

What it measures

  • Retinol — reflects circulating vitamin A levels
  • Retinol-binding protein — indicates vitamin A transport capacity
  • Total vitamin A — may include other retinoid forms

What the test involves

A healthcare professional collects a blood sample, usually from a vein in your arm, using a standard blood draw. The sample is then sent to a laboratory for analysis.

Why it is often ordered

A clinician may order this test if you have symptoms such as night blindness, dry eyes, or frequent infections that could indicate low vitamin A. It may also be ordered for individuals with conditions that affect nutrient absorption or those with limited dietary intake.

Preparation

Preparation instructions can vary, so follow the specific directions provided by the collection lab. Typically, no special preparation is needed, but the lab will confirm any requirements.

How results are reported

Results are reported as a numerical value that your clinician interprets. Reference ranges can differ between laboratories, so the lab's own range should be used for context.

Before you go

  • Whether fasting is required before the blood draw
  • Any medications or supplements that might affect results
  • The expected turnaround time for results

Cities

Vitamin A Deficiency Test in Minnesota communities

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

Minneapolis2,856,952Vitamin A Deficiency TestSt. Paul309,751Vitamin A Deficiency TestSt. Cloud123,569Vitamin A Deficiency TestRochester119,732Vitamin A Deficiency TestDuluth118,975Vitamin A Deficiency TestBloomington89,436Vitamin A Deficiency TestBrooklyn Park85,247Vitamin A Deficiency TestPlymouth80,034Vitamin A Deficiency TestWoodbury74,014Vitamin A Deficiency TestMaple Grove69,900Vitamin A Deficiency TestLakeville69,026Vitamin A Deficiency TestBlaine68,999Vitamin A Deficiency TestEagan68,205Vitamin A Deficiency TestEden Prairie64,048Vitamin A Deficiency TestBurnsville63,926Vitamin A Deficiency TestCoon Rapids63,269Vitamin A Deficiency TestApple Valley55,237Vitamin A Deficiency TestMinnetonka53,809Vitamin A Deficiency TestEdina53,059Vitamin A Deficiency TestSt. Louis Park49,539Vitamin A Deficiency TestMoorhead44,129Vitamin A Deficiency TestMankato43,938Vitamin A Deficiency TestShakopee43,396Vitamin A Deficiency TestMaplewood41,673Vitamin A Deficiency TestCottage Grove38,582Vitamin A Deficiency TestRichfield36,899Vitamin A Deficiency TestRoseville36,119Vitamin A Deficiency TestInver Grove Heights35,539Vitamin A Deficiency TestBrooklyn Center33,298Vitamin A Deficiency TestAndover32,471Vitamin A Deficiency TestSavage32,092Vitamin A Deficiency TestFridley29,422Vitamin A Deficiency TestOakdale28,019Vitamin A Deficiency TestChaska27,461Vitamin A Deficiency TestRamsey27,409Vitamin A Deficiency TestPrior Lake27,242Vitamin A Deficiency TestShoreview26,871Vitamin A Deficiency TestOwatonna26,366Vitamin A Deficiency TestWinona26,199Vitamin A Deficiency TestAustin26,030Vitamin A Deficiency TestChanhassen25,646Vitamin A Deficiency TestRosemount25,513Vitamin A Deficiency TestElk River25,467Vitamin A Deficiency TestWhite Bear Lake24,520Vitamin A Deficiency TestFaribault24,310Vitamin A Deficiency TestChamplin23,877Vitamin A Deficiency TestNew Brighton23,293Vitamin A Deficiency TestFarmington23,253Vitamin A Deficiency TestCrystal23,143Vitamin A Deficiency TestGolden Valley22,247Vitamin A Deficiency TestHastings22,063Vitamin A Deficiency TestNew Hope21,683Vitamin A Deficiency TestColumbia Heights21,612Vitamin A Deficiency TestLino Lakes21,180Vitamin A Deficiency TestWillmar20,823Vitamin A Deficiency TestSouth St. Paul20,637Vitamin A Deficiency TestWest St. Paul20,476Vitamin A Deficiency TestNorthfield20,374Vitamin A Deficiency TestForest Lake20,366Vitamin A Deficiency TestOtsego19,565Vitamin A Deficiency Test