1. A method comprising: storing a plurality of parameter sets within a memory of an implantable medical device, each of the parameter sets including a plurality of programs, and each of the programs including a different set of values for a common group of neurostimulation therapy parameters; delivering neurostimulation therapy to a patient via the implantable medical device according to one of the parameter sets; receiving a single request for a global adjustment to one of the neurostimulation therapy parameters for one of the parameter sets via an external programmer; and applying the adjustment to the value of the neurostimulation therapy parameter for each of the programs in the one of the parameter sets in response to the single global adjustment request.