<qa>  What is the term for chronic refractory pain associated with a condition currently approved for- Has chronic refractory pain associated with one of the conditions currently approved for spinal cord stimulation as follows: Failed Back Syndrome, Degenerative Disk Disease DDD, Herniated Disk pain refractory to conservative and surgical interventions, Peripheral Causalgia, Complex Regional Pain Syndrome CRPS or Reflex Sympathetic Dystrophy RSD. 