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

Intermittent or non-compliance with levothyroxine (L-T4) replacement therapy will result in discordant serum TSH and FT4 values (high TSH/high FT4) because of a persistently unstable thyroid state ...

Symptoms of hypothyroidism, or an underactive thyroid, may include: A blood test showing a high level of TSH may indicate hypothyroidism. Higher levels of TSH and T4 levels in a typical range may ...

Medically reviewed by Kelly Wood, MD Normal thyroid-stimulating hormone (TSH) levels generally fall between 0.4 and 4.5 ...

When TSH is unexpectedly high, ask the laboratory to re-measure the specimen diluted, preferably in thyrotoxic serum, to check for parallelism. Request that the laboratory analyze the specimen by ...