Elevated thyrotropin levels were associated with an increased risk for depression, especially among women and those with hypothyroidism.

[224] Patients taking Rifampin and anticonvulsants that influence the metabolism of L-T4 may also need an increase in their dose of L-T4 to maintain the TSH within the therapeutic target range.

Subclinical hypothyroidism is the condition in which T4 levels remain in the normal range (that is, frank hypothyroidism is not present), but TSH levels are elevated: the high TSH levels are ...

The normal reference range for TSH in adults is typically defined as 0.4 to 4.0 milli-international units per liter (mIU/L), according to the American Thyroid Association. However, it’s ...

Original Medicare (parts A and B) and Medicare Advantage (Part C) both cover the full cost of a TSH (thyroid-stimulating hormone) test. That said, you’ll usually need to meet your deductible first.

Although 84.4% of patients who developed hypothyroidism had preoperative TSH levels within the normal range (0.5–4.0 mIU/l), the incidence of postoperative hypothyroidism was greater among ...

I favor initiating levothyroxine therapy, monitoring monthly serum TSH values and maintaining levels in the normal range for pregnancy, remembering that a significant excess of levothyroxine could ...

Historically, the "quality" of a serum TSH method has been determined from a clinical benchmark - the assay's ability to discriminate euthyroid levels (~ 0.4 to 4.0 mIU/L) from the profoundly low ...