I was tested for neuropathy at hospital, lots of needles and things. I didn't have it, but they also said it wasn't definitely Carpal tunnel either! I also had lots of ultrasounds at a hand clinic, which were also inconclusive. They tried treating it with steroid injections, but that only helped for a few weeks at a time. As I have osteoporosis, the steroids had to stop and the only option was an op.
It was only when the surgeon performed the op and he could get a good look at the nerve, that he said that it was a very severe case.
However, as I said previously, it was actually too late by then and my hand and wrist are still very painful a year after the op. One piece of good news, my hand is much less numb than before the op.
I was very fortunate in that my rheumatologist persisted in investigating the pain and referred me to different people, I know others are not as fortunate as me.
I hope you get some relief soon.