Article
What causes a low TSH level with a normal free T4 level?
- Author:
- Imad Kafilmout, MD
- Lynne D. Morris, MLS, ASHIP
- Jill Mayer, MLIS
EVIDENCE-BASED ANSWER: Subclinical hyperthyroidism (SCH) is defined as a low thyroid-stimulating hormone (TSH) level with normal free T4 and free...