Data Sources for the At-Risk Community-Dwelling Patient Population

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Table 11. Data Availability for Schedule II Controlled Substances

Data Availability	Schedule II Controlled Substances Data	Advantage	Disadvantage
Public use files	SAMHDA	Counts patients receiving methadone or buprenorphine as inpatients, outpatients, and residential. Data from 2005.	County-level data.
CMS approval/ DUA required	Medicare claims	Captures the use of Schedule II controlled substances by persons living in the Worcester zip code.	Data are limited to a segment of the population that is older than 65, has a disability, or has ESRD.
CMS approval/ DUA required	Medicaid claims	Captures the use of Schedule II controlled substances by persons living in the Worcester zip code.	Data are limited to low-income individuals, which varies from State to State and year to year.

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