outcome and assessment information set
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Out·come and As·sess·ment In·for·ma·tion Set(OASIS) (owt'kŭm ă-ses'mĕnt in'fŏr-mā'shŭn set)
A standard system used in home health care to measure service quality and patient satisfaction; use is mandated by the U.S. Department of Health and Human Services.
outcome and assessment information set,
A group of items that represent the core of a comprehensive assessment for adult home health patients. It forms the basis for measuring patient outcomes for purposes of Outcomes Based Quality Improvement (OBQI) and Medicare reimbursement. The data set is composed of 79 health and functional status patient assessment items that are discipline-neutral. When measured at two or more points in time, they serve as outcome measures.