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Mid-Atlantic · Reverse T3 Test – rT3 Testing

Reverse T3 Test – rT3 Testing in New Jersey

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 New Jersey communities

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

Trenton316,436Reverse T3 Test – rT3 TestingNewark306,247Reverse T3 Test – rT3 TestingJersey City287,146Reverse T3 Test – rT3 TestingAtlantic City236,314Reverse T3 Test – rT3 TestingPaterson157,927Reverse T3 Test – rT3 TestingElizabeth135,772Reverse T3 Test – rT3 TestingVineland92,364Reverse T3 Test – rT3 TestingClifton89,460Reverse T3 Test – rT3 TestingCamden72,381Reverse T3 Test – rT3 TestingBayonne70,553Reverse T3 Test – rT3 TestingPassaic70,308Reverse T3 Test – rT3 TestingEast Orange68,918Reverse T3 Test – rT3 TestingUnion City67,903Reverse T3 Test – rT3 TestingTwin Rivers64,012Reverse T3 Test – rT3 TestingHoboken59,369Reverse T3 Test – rT3 TestingNew Brunswick55,671Reverse T3 Test – rT3 TestingPerth Amboy55,046Reverse T3 Test – rT3 TestingPlainfield54,183Reverse T3 Test – rT3 TestingWest New York52,485Reverse T3 Test – rT3 TestingSicklerville46,626Reverse T3 Test – rT3 TestingHackensack45,723Reverse T3 Test – rT3 TestingSayreville45,062Reverse T3 Test – rT3 TestingLinden43,387Reverse T3 Test – rT3 TestingKearny41,790Reverse T3 Test – rT3 TestingFort Lee39,701Reverse T3 Test – rT3 TestingFair Lawn34,820Reverse T3 Test – rT3 TestingGarfield32,481Reverse T3 Test – rT3 TestingLong Branch31,734Reverse T3 Test – rT3 TestingWestfield30,950Reverse T3 Test – rT3 TestingPrinceton30,717Reverse T3 Test – rT3 TestingRahway29,582Reverse T3 Test – rT3 TestingEnglewood29,129Reverse T3 Test – rT3 TestingBergenfield28,282Reverse T3 Test – rT3 TestingMillville27,946Reverse T3 Test – rT3 TestingParamus26,650Reverse T3 Test – rT3 TestingRidgewood25,991Reverse T3 Test – rT3 TestingLodi25,983Reverse T3 Test – rT3 TestingCliffside Park25,515Reverse T3 Test – rT3 TestingCarteret25,077Reverse T3 Test – rT3 TestingSomerset24,827Reverse T3 Test – rT3 TestingSouth Plainfield24,251Reverse T3 Test – rT3 TestingNorth Plainfield22,635Reverse T3 Test – rT3 TestingSummit22,598Reverse T3 Test – rT3 TestingRoselle22,511Reverse T3 Test – rT3 TestingHillsborough22,273Reverse T3 Test – rT3 TestingParsippany21,931Reverse T3 Test – rT3 TestingSecaucus21,439Reverse T3 Test – rT3 TestingElmwood Park21,239Reverse T3 Test – rT3 TestingLindenwold21,048Reverse T3 Test – rT3 TestingPleasantville20,505Reverse T3 Test – rT3 TestingPalisades Park20,291Reverse T3 Test – rT3 TestingGlassboro20,284Reverse T3 Test – rT3 TestingMorristown20,003Reverse T3 Test – rT3 TestingHawthorne19,507Reverse T3 Test – rT3 TestingPreakness19,083Reverse T3 Test – rT3 TestingTinton Falls19,053Reverse T3 Test – rT3 TestingPoint Pleasant18,839Reverse T3 Test – rT3 TestingHarrison18,824Reverse T3 Test – rT3 TestingRutherford18,781Reverse T3 Test – rT3 TestingColonia18,776Reverse T3 Test – rT3 Testing