It was actually the vet tech wasn't the most brilliant thing on the planet… needless to say I found another vet the next week and they think she might have some bulldog in her... what a mix. I believe that she definitely could have some bulldog in her judging by the way she lays around the house.
Remember however for a full thyroid panel usually isn't done at places that do bloodwork… and also what a Vet would call "low normal" for most dogs, for a Basenji it is Too Low...