Is TSH 18 high?
The standard reference range for the TSH level is anywhere between 0.30 and 5.0 uIU/mL. If your TSH level is higher than 5.0 uIU/mL, then the lab will flag you as “high,” and you may experience the symptoms listed above 5.0 uIU/mL. Values of the TSH level more than 10.0 uIU/mL need long-term thyroid supplements.
Is TSH level 19 high?
A normal range for TSH in most laboratories is 0.4 milliunits per liter (mU/L) to 4.0 mU/L. If your TSH is higher than 4.0 mU/L on repeat tests, you probably have hypothyroidism.
Is TSH high at 15?
Slightly elevated TSH levels (between 5 and 10 mU/L): Each year, 2% of the participants in this group developed overt hypothyroidism. Moderately elevated TSH levels (between 10 and 15 mU/L): Each year, 20% of the participants in this group developed hypothyroidism with symptoms.
What does a TSH level of 40 mean?
A TSH level higher than 5.0 usually indicates an underactive thyroid (hypothyroidism) and a TSH level lower than 0.4 indicates the presence of excessive thyroid hormone and overactive thyroid (hyperthyroidism).
What do dangerously high TSH levels indicate?
What do dangerously high TSH levels indicate? If your TSH levels are abnormally high, it could mean you have an underactive thyroid, or hypothyroidism. That’s because it indicates your pituitary gland is producing more TSH in an effort to stimulate your thyroid to produce thyroid hormone, according to the Mayo Clinic.
How high can TSH levels reach?
“””” TSH levels typically fall between 0.4 and 4.0 milliunits per liter (mU/L), according to the American Thyroid Association. (Ranges between laboratories will vary with the upper limit being between 4 to 5).
What happens if the TSH level is high?
Weight gain or difficulty losing weight (the degree of weight gain and inability to lose weight depends on the severity of thyroid lab studies)
What does it mean when your TSH is high?
High levels of TSH is an indicator that your thyroid is not producing enough hormones, like thyroxine (T4) and or triiodothyronine (T3). This hormonal imbalance is called primary hypothyroidism. Sometimes high TSH causes a decrease in thyroid hormones, but they are still in normal range.