What gene testing should I request from my doctor when I finally get to see him?

[Lemon]

It would be good to know if you have the GBA mutation, because this might influence a decision on whether to have DBS -

DBS + GBA mutation concern

Latest research indicates a negative effect on cognition after DBS for those with the GBA mutation. " We advise that DBS candidates be screened for GBA mutations as part of the pre-surgical decision-making process. We advise that GBA mutation carriers be counseled regarding potential risks associated with STN-DBS and alternative options may be considered." Parkinson disease and STN‐DBS: cognitive effects in GBA mutation carriers - Pal - - Annals of Neurology - Wiley Online Library