@robge When you talked about cold parts of your body where you have neuropathy, that suggests to me that you may have decreased circulation there, and nerve compression and decreased circulation can be caused by physical fascial restrictions that can happen anywhere in the body. I have thoracic outlet syndrome that has caused my hands to turn blue and cold (actually cold to the touch), with arm pain, tingling , and numbness. I have been treating this in physical therapy with myofascial release. MFR can help so many conditions where conventional medicine hasn't helped. There can be similar issues with tight tissue in the hips and pelvic area that are similar. If your issues are physical, fascial stretching can help.

I created a discussion for MFR at https://connect.mayoclinic.org/discussion/myofascial-release-therapy-mfr-for-treating-compression-and-pain/

You may want to look at that and see what you think. I have had great results with MFR. Also if you have low thyroid function, that tends to cause cold hands and feet. My feet were always cold until I took thyroid medication to assist my thyroid that was not producing enough hormones.
https://www.mayoclinic.org/diseases-conditions/hypothyroidism/symptoms-causes/syc-20350284
https://www.mayoclinic.org/diseases-conditions/thoracic-outlet-syndrome/symptoms-causes/syc-20353988
https://trainingandrehabilitation.com/how-truly-treat-thoracic-outlet-syndrome/