"Peripheral neuropathy" sounds scary, maybe because it's a couple of long words with a definite medical flavor, but a diagnosis of peripheral neuropathy isn't a major calamity. People live with it.
Why not relax and wait and see what those tests show? It sounds as if you're getting too worried--and when a person gets too worried, symptoms often worsen.
One way of looking at it might be to tell yourself that everyone gets older, and as we get older we usually develop some health problems. It's inevitable. We wear out over time. Unfortunately!
If we're one of the luckier ones, our health problems are manageable--arthritis sets in, or peripheral neuropathy, or chronic something-or-other.
I'm going out on a limb by saying what I've said as I don't know you but thinking about all of the really disastrous problems I could have and don't is a thought I find calming.
I'm not assuming that you'll be diagnosed with peripheral neuropathy. I hope your symptoms will have a satisfactory solution!