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Midwest · Lactose Tolerance Test

Lactose Tolerance Test in Iowa

Below is a plain-language overview of the lactose tolerance test. The Lactose Tolerance Test helps determine if you have trouble digesting lactose, a sugar found in milk and dairy products.

Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

The Lactose Tolerance Test is used to assess how well your body can digest lactose. It measures your body's response to lactose ingestion, which can help identify lactose intolerance. This test is helpful for those experiencing symptoms after consuming dairy.

What it measures

  • Blood Glucose — reflects how well your body processes lactose

What the test involves

The test typically involves drinking a lactose-containing liquid and then having blood samples taken at intervals to measure glucose levels. These blood samples are usually collected through a standard blood draw.

Why it is often ordered

A clinician may order this test if you experience symptoms like bloating, diarrhea, or abdominal pain after consuming dairy products. It helps identify if these symptoms are due to lactose intolerance.

Preparation

You will need to follow specific instructions from the lab, such as fasting before the test. Always check with the lab for detailed preparation guidelines.

How results are reported

Results are reported based on the glucose levels in your blood after lactose ingestion. Reference ranges vary by laboratory, so it's important to discuss your results with your healthcare provider.

Before you go

  • fasting requirements
  • test duration
  • sample collection process

Cities

Lactose Tolerance Test in Iowa communities

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

Des Moines514,654Lactose Tolerance TestDavenport280,282Lactose Tolerance TestCedar Rapids192,714Lactose Tolerance TestIowa City120,015Lactose Tolerance TestWaterloo114,594Lactose Tolerance TestSioux City111,924Lactose Tolerance TestDubuque67,916Lactose Tolerance TestWest Des Moines67,640Lactose Tolerance TestAnkeny66,346Lactose Tolerance TestAmes66,027Lactose Tolerance TestCouncil Bluffs62,617Lactose Tolerance TestUrbandale45,037Lactose Tolerance TestMarion41,023Lactose Tolerance TestCedar Falls40,500Lactose Tolerance TestBettendorf38,631Lactose Tolerance TestMarshalltown27,570Lactose Tolerance TestMason City27,385Lactose Tolerance TestOttumwa25,379Lactose Tolerance TestFort Dodge24,826Lactose Tolerance TestClinton24,651Lactose Tolerance TestBurlington24,160Lactose Tolerance TestMuscatine23,759Lactose Tolerance TestWaukee23,441Lactose Tolerance TestJohnston23,418Lactose Tolerance TestCoralville22,226Lactose Tolerance TestNorth Liberty19,976Lactose Tolerance TestAltoona19,345Lactose Tolerance TestClive18,323Lactose Tolerance TestNewton15,688Lactose Tolerance TestIndianola15,544Lactose Tolerance TestGrimes14,842Lactose Tolerance TestNorwalk12,592Lactose Tolerance TestBoone12,509Lactose Tolerance TestOskaloosa11,552Lactose Tolerance TestSpencer11,292Lactose Tolerance TestStorm Lake11,166Lactose Tolerance TestLe Mars10,462Lactose Tolerance TestPella10,414Lactose Tolerance TestFort Madison10,340Lactose Tolerance TestWaverly10,278Lactose Tolerance TestCarroll10,261Lactose Tolerance TestPleasant Hill10,203Lactose Tolerance TestKeokuk9,977Lactose Tolerance TestFairfield9,653Lactose Tolerance TestGrinnell9,481Lactose Tolerance TestMount Pleasant8,996Lactose Tolerance TestDenison8,323Lactose Tolerance TestSioux Center8,090Lactose Tolerance TestPerry7,836Lactose Tolerance TestWebster City7,825Lactose Tolerance TestDecorah7,767Lactose Tolerance TestClear Lake7,673Lactose Tolerance TestCreston7,594Lactose Tolerance TestKnoxville7,537Lactose Tolerance TestCharles City7,399Lactose Tolerance TestWashington7,314Lactose Tolerance TestHiawatha7,184Lactose Tolerance TestBondurant7,163Lactose Tolerance TestNevada7,017Lactose Tolerance TestAtlantic6,795Lactose Tolerance Test