South · Fasting Insulin Test

Fasting Insulin Test in Tennessee

Fasting Insulin Test is a laboratory test you can request directly. This test measures insulin levels in your blood after a period of fasting. It helps assess how your body is regulating blood sugar.

Typical turnaround1-3 business days
Price range$29
PreparationFollow the lab's instructions.
Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

The fasting insulin test measures the amount of insulin circulating in your bloodstream after you have not eaten for a specific period. Insulin is a hormone produced by the pancreas that helps cells absorb glucose from the blood for energy.

What it measures

  • Insulin — reflects the amount of insulin produced by the pancreas

What the test involves

This test requires a blood sample. A healthcare professional will draw blood from a vein in your arm, typically at a local laboratory facility.

Why it is often ordered

Clinicians often order this test to evaluate insulin resistance or to help diagnose conditions related to blood sugar regulation. It can provide insights into pancreatic function.

Preparation

You will need to fast for a specified period before the test, usually 8-12 hours. Please follow the specific fasting instructions provided by the laboratory where you will have your blood drawn.

How results are reported

Your results will indicate the level of insulin detected in your blood. Reference ranges, which help interpret these levels, vary between laboratories and are typically provided with your report.

Before you go

  • Fasting duration required
  • Specific time to stop eating
  • What to do if you accidentally eat

Cities

Fasting Insulin Test in Tennessee communities

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

Nashville1,098,486Fasting Insulin TestMemphis1,034,498Fasting Insulin TestKnoxville619,925Fasting Insulin TestChattanooga403,233Fasting Insulin TestClarksville198,689Fasting Insulin TestMurfreesboro181,450Fasting Insulin TestJohnson City131,902Fasting Insulin TestKingsport98,767Fasting Insulin TestFranklin81,531Fasting Insulin TestCleveland72,589Fasting Insulin TestJackson71,983Fasting Insulin TestBristol69,734Fasting Insulin TestHendersonville60,628Fasting Insulin TestBartlett57,639Fasting Insulin TestSmyrna52,401Fasting Insulin TestCollierville50,669Fasting Insulin TestSpring Hill48,403Fasting Insulin TestBrentwood44,354Fasting Insulin TestGallatin43,306Fasting Insulin TestColumbia40,957Fasting Insulin TestGermantown40,955Fasting Insulin TestLa Vergne38,127Fasting Insulin TestMount Juliet38,059Fasting Insulin TestLebanon37,471Fasting Insulin TestCookeville34,068Fasting Insulin TestMaryville31,281Fasting Insulin TestOak Ridge31,087Fasting Insulin TestMorristown30,387Fasting Insulin TestFarragut23,388Fasting Insulin TestShelbyville23,005Fasting Insulin TestEast Ridge21,967Fasting Insulin TestTullahoma20,599Fasting Insulin TestSpringfield18,561Fasting Insulin TestSevierville18,038Fasting Insulin TestGoodlettsville17,522Fasting Insulin TestDyersburg16,235Fasting Insulin TestDickson15,855Fasting Insulin TestSeymour15,633Fasting Insulin TestGreeneville15,361Fasting Insulin TestArlington14,158Fasting Insulin TestElizabethton14,112Fasting Insulin TestAthens13,961Fasting Insulin TestPowell13,855Fasting Insulin TestMcMinnville13,699Fasting Insulin TestLakeland13,693Fasting Insulin TestNolensville13,393Fasting Insulin TestSoddy-Daisy13,090Fasting Insulin TestPortland13,031Fasting Insulin TestWhite House12,820Fasting Insulin TestLewisburg12,131Fasting Insulin TestManchester11,956Fasting Insulin TestCrossville11,892Fasting Insulin TestRed Bank11,855Fasting Insulin TestMiddle Valley11,569Fasting Insulin TestHartsville11,463Fasting Insulin TestLawrenceburg11,460Fasting Insulin TestUnion City11,119Fasting Insulin TestCollegedale10,973Fasting Insulin TestAlcoa10,777Fasting Insulin TestMillington10,583Fasting Insulin Test