Interpreting Low TSH Levels After Hyperthyroidism Treatment

A nurse is reviewing the laboratory results of a patient who recently underwent treatment for hyperthyroidism. As part of the follow-up assessment, the healthcare provider is particularly interested in the thyroid function tests. The nurse notes the following TSH level on the report: 0.1 mIU/L. In this context, what does a TSH level of 0.1 mIU/L most likely indicate?