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When is the T3 Uptake test ordered?

April 26, 2017ordered T3 Test uptake

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When is the T3 Uptake test ordered?

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A total or free T3 test may be ordered when a patient has an abnormal TSH and/or T4 test result. It may be ordered as part of the investigative workup when a patient has symptoms suggesting hyperthyroidism. One of the T3 tests may sometimes be ordered at intervals to monitor a known thyroid condition and to help monitor the effectiveness of treatment for hyperthyroidism.