Final answer:
The thyroid panel results for a patient indicate a total T4 of 16 µg/dL and T3 uptake of 30%, but additional data is needed to calculate THBR and FT4I. Normally, the interpretation of thyroid functions involves understanding how T4 converts to active T3 and how these hormones are bound and transported in the body. Specific calculations for thyroid hormone indices should align with the testing facility's methods.
Step-by-step explanation:
A patient has undergone a thyroid function test and the results indicate a total T4 of 16 µg/dL and T3 uptake (TU%) of 30%. To interpret these values, we need to calculate the Thyroid Hormone Binding Ratio (THBR) and the Free Thyroxine Index (FT4I). However, based on the information provided, the direct calculation of THBR is not possible, as it typically requires the serum thyroxine-binding capacity, which does not seem to be available in the given data. Similarly, the calculation of FT4I would typically utilize the patient’s free T4 level and the T3 uptake, but the free T4 measure is not provided. Normally, FT4I is calculated by multiplying the total T4 level by the T3 uptake percentage.
It's important to note that different labs may use varying methods and reference ranges, so specific calculations and interpretations should be confirmed with the testing facility. These tests are a part of a thyroid panel, which helps in evaluating thyroid function and identifying conditions such as hypo- or hyperthyroidism. Understanding the balance and interactions between bound and unbound thyroid hormones, as well as the conversion of T4 to the more potent T3, is crucial in assessing thyroid function and the patient’s overall health.