Confidential lab testing · No referral required United States · 15,280 communities
RequestALab Find and request a lab test

South · Reverse T3 Test – rT3 Testing

Reverse T3 Test – rT3 Testing in West Virginia

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 West Virginia communities

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

Huntington199,133Reverse T3 Test – rT3 TestingCharleston141,640Reverse T3 Test – rT3 TestingMorgantown77,193Reverse T3 Test – rT3 TestingWheeling75,065Reverse T3 Test – rT3 TestingParkersburg68,217Reverse T3 Test – rT3 TestingWeirton65,447Reverse T3 Test – rT3 TestingMartinsburg18,502Reverse T3 Test – rT3 TestingFairmont18,369Reverse T3 Test – rT3 TestingBeckley17,261Reverse T3 Test – rT3 TestingClarksburg16,085Reverse T3 Test – rT3 TestingTeays Valley13,805Reverse T3 Test – rT3 TestingSouth Charleston13,595Reverse T3 Test – rT3 TestingSt. Albans10,842Reverse T3 Test – rT3 TestingVienna10,676Reverse T3 Test – rT3 TestingCheat Lake10,187Reverse T3 Test – rT3 TestingBluefield9,699Reverse T3 Test – rT3 TestingCross Lanes9,434Reverse T3 Test – rT3 TestingBridgeport9,165Reverse T3 Test – rT3 TestingOak Hill8,228Reverse T3 Test – rT3 TestingMoundsville8,195Reverse T3 Test – rT3 TestingDunbar7,500Reverse T3 Test – rT3 TestingElkins6,980Reverse T3 Test – rT3 TestingHurricane6,901Reverse T3 Test – rT3 TestingPea Ridge6,783Reverse T3 Test – rT3 TestingNitro6,630Reverse T3 Test – rT3 TestingBrookhaven6,606Reverse T3 Test – rT3 TestingCharles Town6,373Reverse T3 Test – rT3 TestingPrinceton5,885Reverse T3 Test – rT3 TestingRanson5,404Reverse T3 Test – rT3 TestingBuckhannon5,343Reverse T3 Test – rT3 TestingNew Martinsville5,208Reverse T3 Test – rT3 TestingKeyser4,916Reverse T3 Test – rT3 TestingGrafton4,773Reverse T3 Test – rT3 TestingBarboursville4,280Reverse T3 Test – rT3 TestingPoint Pleasant4,124Reverse T3 Test – rT3 TestingWestover4,085Reverse T3 Test – rT3 TestingWeston3,963Reverse T3 Test – rT3 TestingLewisburg3,923Reverse T3 Test – rT3 TestingRavenswood3,866Reverse T3 Test – rT3 TestingPinch3,834Reverse T3 Test – rT3 TestingBlennerhassett3,820Reverse T3 Test – rT3 TestingSummersville3,467Reverse T3 Test – rT3 TestingPleasant Valley3,460Reverse T3 Test – rT3 TestingShannondale3,441Reverse T3 Test – rT3 TestingSissonville3,342Reverse T3 Test – rT3 TestingShady Spring3,317Reverse T3 Test – rT3 TestingWinfield3,140Reverse T3 Test – rT3 TestingRipley3,100Reverse T3 Test – rT3 TestingKingwood3,091Reverse T3 Test – rT3 TestingWilliamson3,054Reverse T3 Test – rT3 TestingKenova3,052Reverse T3 Test – rT3 TestingWelch3,050Reverse T3 Test – rT3 TestingMoorefield3,019Reverse T3 Test – rT3 TestingWilliamstown2,994Reverse T3 Test – rT3 TestingPhilippi2,922Reverse T3 Test – rT3 TestingMadison2,913Reverse T3 Test – rT3 TestingCulloden2,903Reverse T3 Test – rT3 TestingFayetteville2,882Reverse T3 Test – rT3 TestingFollansbee2,842Reverse T3 Test – rT3 TestingInwood2,794Reverse T3 Test – rT3 Testing