and health systems [Level C]), and the delivery of care (i.e., clinics [Level B]) combine to affect patient care (i.e., the patient experience [Level A]). The committee suggests that these four levels of care provide a blueprint applicable to the development of a 21st-century system of substance use disorder (SUD) prevention and treatment services within the U.S. military.


Berwick, D. M. 2002. A user’s manual for the IOM’s “quality chasm” report. Health Affairs 21(3):80-90.

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