Disease Management is a systematic process of managing patients with specific conditions through preventive, diagnostic, and therapeutic measures intended to provide a better quality of life for the patient, while reducing cost for the care givers.

PHR vs DM

Personal Health Record	Disease Management
Data Store	More than a data store, it is a next generation system intended to make sense of the underlying data
Passive	Interactive
No native tools	Tools for weight management, diet, exercise & nutrition, drug management, risk profiler, etc.
Heavy data (X-ray, MRI)	Data interpretation, rather than data store
Limited collaboration	Extensive collaboration with physicians and nurses
No feedbacks	Feedback to patients like Risk Analysis, out-reach programs, etc
No disease management tools	Interactive disease management tools
Not a medical reference	Personalized medical reference
No coaching	Coaching, monitoring and personalized advice