The assay may be useful in the diagnosis of nonthyroidal illness (NTI). Patients with NTI have low T3 concentrations and increased concentrations of rT3. RT3 may be useful in neonates to distinguish euthyroid sick syndrome from central hypothyroidism. Also useful in evaluating thyroid function and metabolism.
Significant deviations from the normal range may require further evaluation by your physician
Alternative Name(s): RT3; Triiodothyronine Reverse; rT3; Reverse Triiodothyronine; T3 Reverse
Estimated turnaround for results is 5 business days.