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South · Reverse T3 Test – rT3 Testing

Reverse T3 Test – rT3 Testing in Oklahoma

This page explains the reverse t3 test – rt3 testing, what it measures, and how to order it. The Reverse T3 Test measures the level of reverse triiodothyronine in the blood to assess thyroid function under certain conditions.

Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

The Reverse T3 Test is a blood test that evaluates the level of reverse triiodothyronine (rT3), a hormone related to thyroid function. It is often used to assess thyroid activity in the context of nonthyroidal illness syndrome.

What it measures

  • Reverse T3 — reflects the body's conversion of thyroxine (T4) to triiodothyronine (T3)

What the test involves

The test involves a standard blood draw, typically from a vein in the arm. The collected sample is then analyzed in a laboratory.

Why it is often ordered

Clinicians may order this test to investigate thyroid function when a patient has symptoms that suggest abnormal thyroid activity. It helps differentiate between thyroid disorders and other conditions affecting thyroid hormone levels.

Preparation

Preparation for the Reverse T3 Test may vary, so it is important to follow the specific instructions provided by the laboratory conducting the test.

How results are reported

Results of the Reverse T3 Test are reported as a concentration of rT3 in the blood. Reference ranges can vary between laboratories, so results should be interpreted in context.

Before you go

  • Sample collection method
  • Preparation instructions
  • Turnaround time

Cities

Reverse T3 Test – rT3 Testing in Oklahoma communities

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

Oklahoma City994,284Reverse T3 Test – rT3 TestingTulsa715,983Reverse T3 Test – rT3 TestingNorman125,745Reverse T3 Test – rT3 TestingBroken Arrow112,751Reverse T3 Test – rT3 TestingEdmond93,522Reverse T3 Test – rT3 TestingLawton91,247Reverse T3 Test – rT3 TestingMoore62,633Reverse T3 Test – rT3 TestingMidwest City58,146Reverse T3 Test – rT3 TestingEnid51,129Reverse T3 Test – rT3 TestingStillwater48,055Reverse T3 Test – rT3 TestingOwasso37,559Reverse T3 Test – rT3 TestingMuskogee37,214Reverse T3 Test – rT3 TestingBartlesville37,074Reverse T3 Test – rT3 TestingShawnee31,237Reverse T3 Test – rT3 TestingBixby28,091Reverse T3 Test – rT3 TestingJenks25,210Reverse T3 Test – rT3 TestingArdmore24,829Reverse T3 Test – rT3 TestingPonca City24,499Reverse T3 Test – rT3 TestingYukon23,697Reverse T3 Test – rT3 TestingDuncan22,664Reverse T3 Test – rT3 TestingSapulpa21,853Reverse T3 Test – rT3 TestingDel City21,778Reverse T3 Test – rT3 TestingBethany20,542Reverse T3 Test – rT3 TestingSand Springs19,935Reverse T3 Test – rT3 TestingMustang19,847Reverse T3 Test – rT3 TestingClaremore19,173Reverse T3 Test – rT3 TestingAltus18,825Reverse T3 Test – rT3 TestingDurant18,358Reverse T3 Test – rT3 TestingMcAlester18,225Reverse T3 Test – rT3 TestingEl Reno17,164Reverse T3 Test – rT3 TestingAda16,804Reverse T3 Test – rT3 TestingTahlequah16,213Reverse T3 Test – rT3 TestingChickasha15,655Reverse T3 Test – rT3 TestingGlenpool13,446Reverse T3 Test – rT3 TestingMiami12,997Reverse T3 Test – rT3 TestingGuymon12,804Reverse T3 Test – rT3 TestingWoodward12,246Reverse T3 Test – rT3 TestingChoctaw12,130Reverse T3 Test – rT3 TestingWeatherford12,034Reverse T3 Test – rT3 TestingElk City11,743Reverse T3 Test – rT3 TestingOkmulgee11,330Reverse T3 Test – rT3 TestingNewcastle10,970Reverse T3 Test – rT3 TestingGuthrie10,767Reverse T3 Test – rT3 TestingWarr Acres10,443Reverse T3 Test – rT3 TestingCoweta9,696Reverse T3 Test – rT3 TestingThe Village9,510Reverse T3 Test – rT3 TestingPryor Creek9,439Reverse T3 Test – rT3 TestingPoteau8,741Reverse T3 Test – rT3 TestingClinton8,612Reverse T3 Test – rT3 TestingBlanchard8,511Reverse T3 Test – rT3 TestingSallisaw8,503Reverse T3 Test – rT3 TestingSkiatook8,396Reverse T3 Test – rT3 TestingCushing8,201Reverse T3 Test – rT3 TestingCatoosa7,821Reverse T3 Test – rT3 TestingCollinsville7,765Reverse T3 Test – rT3 TestingWagoner7,694Reverse T3 Test – rT3 TestingTuttle7,412Reverse T3 Test – rT3 TestingPiedmont7,306Reverse T3 Test – rT3 TestingSeminole7,131Reverse T3 Test – rT3 TestingNoble7,078Reverse T3 Test – rT3 Testing