SCS trial and perm placement is understood by medicare to be a staged proceedure.
63650 for the trial and 63650-51 for the perm.
There is a 90 global on the perm-- for the indication of that perm. Go ahead and tx the migraines, toe pain etc. You may also do a PNS within that global- as it is for a different component of pain-- just make ure you put a different primary diagnmosis for it.