I finally received a positive skin biopsy test today for SFN, and the doctor wants to do some additional blood work to find the cause. I've already had numerous blood tests taken and nothing has been found so far. I highly suspect it is autoimmune as i have alopecia and psoriasis (both automimmune).

Can someone please recommend or point me towards a list of tests i should be getting? I noticed doctors tend to just test a few things here and there, and I'd like to get as much as possible tested right away.

Thanks for your support