Hi Doc John,
From a search I found this current pricing from Portland:
http://www.portlandketamineclinic.co...RPS___RSD.html
and an article speaking in more general terms from 2013 here from American RSD Hope:
http://www.rsdhope.org/ketamine-and-crps.html
It seems that costs vary widely from Clinic to Clinic, Doctor to Doctor and tying down actual cost for full treatment before embarking on the path is difficult.
Sorry I could not help more. This makes me so grateful for our NHS.
Dave.