What does it mean if your TSH level is 12?
Subclinical hypothyroidism is defined as a thyroid stimulating hormone (TSH) level of 4.6 to 10 mIU/L. A normal TSH level is 0.4 to 4.0 and full-blown hypothyroidism is 10 or higher.
What is a normal TSH value?
TSH normal values are 0.5 to 5.0 mIU/L. Pregnancy, a history of thyroid cancer, history of pituitary gland disease, and older age are some situations when TSH is optimally maintained in different range as guided by an endocrinologist. FT4 normal values are 0.7 to 1.9ng/dL.
Is TSH 10 high?
Most labs say that a normal serum TSH level is somewhere between 0.4 to 4.0 mIU/L, and that a TSH level of 10 mIU/L or higher is indicative of hypothyroidism. A TSH level of 4.5 to 10 mIU/L is considered indicative of subclinical hypothyroidism.
Why is TSH high?
High TSH levels can mean your thyroid is not making enough thyroid hormones, a condition called hypothyroidism. Low TSH levels can mean your thyroid is making too much of the hormones, a condition called hyperthyroidism.
Is TSH 20 high?
a TSH level > 20 milli-International Units/L in association with a low free thyroxine (T4) confirms the diagnosis of hypothyroidism. In some cases, levels may be as high as 200 milli-International Units/L.
Is a TSH level of 12 normal?
Rather out of the blue- realise it is very common. with TSH of 12 you are hypothyroid. Normal level should be 1 – 2, although the reference range is something like 0.5 – 3.5. You need thyroid meds.
What does a TSH level of 4 mean?
A TSH reading above 4.0 mIU/L is considered high (elevated). High TSH levels typically indicates an underactive thyroid gland, which produces too little thyroid hormone. This is known medically as hypothyroidism.
What is a normal TSH level for an 80 year old?
Blood TSH levels tend to increase as a person gets older. According to the authors of one study, the percentage of people with TSH levels between 0.4 and 2.49 mIU/l fell from 88.8% among people aged 20–29 years to 61.5% in people 80 or older. TSH levels tend to be lower in pregnant women.