T3RU; Resin T3 uptake; RT3U; Thyroid hormone-binding ratio
This is a test that measures the RT3U in the blood.
by Armen E. Martirosyan, M.D.
All ArmMed Media material is provided for information only and is neither advice nor a substitute for proper medical care. Consult a qualified healthcare professional who understands your particular history for individual concerns.