Sounds like you've done a lot of research. Look into "Subclinical Hypothyroidism". This pertains to patients that suffer from Mild Hypothyroidism (And there is Subclinical Hyperthyroidism as well) even though their thyroid levels are in acceptable ranges. The first link below is best for your doctor to help him/her consider the situation. The second a little easier to read, and may be something you're interested in. Please remember that symptoms may be from other causes as well and be sure your medical provider considers all the possibilities.
Be well.
www.ncbi.nlm.nih.gov/pmc/articles/PMC2664572/www.aafp.org/afp/1998/0215/p776.html