Sep 01, · The study suggested that 95% of the US disease-free population had a serum TSH concentration between and mIU/L (8). However, TSH values did not have a Gaussian Cited by: There is controversy about the reference range of TSH concentrations, but by convention this usually comprises 95% of a reference population. 47,49,50 Most of the upper limits of the serum TSH reference ranges established in different studies are between 3 and 6 mU/l for children and adults.
Aug 27, · Here are the estimated normal, low, and high ranges of TSH levels for adults, based on a study: Age range: Normal: Low: High: 18–30 years: – mU/L: mU/L > mU/L: 31–50 . Mar 25, · Normal TSH levels What should your TSH level be? Normal TSH levels for the average adult range from ‑ mIU/L (milli-international units per liter) (3). However, many .
There were no differences among age groups for free T4 and total and free tri-iodothyronine (T3). Serum TSH concentration was significantly greater in old horses (≥15 or ≥20 years) compared to young ( years) and intermediate ( years) age groups. Serum TSH . A blood TSH concentration of less than 4 or 5 mlU/L rules out peripheral hypothyroidism. TSH levels increase with age. Between 30% and 60% of high TSH levels are not confirmed on a second blood .
TSH Normal Range by Age: Men, Women, in Pregnancy, and More.