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OASIS NP©: Historical Perspective
The Outcome Assessment Information Set (OASIS) has been the definitive patient assessment tool for Medicare certified home health agencies since 1999. OASIS forms the basis for both Outcome Based Quality Improvement (OBQI) in home health and case-mix adjustment under the home health prospective payment system. OASIS information must be reliable in order to ensure valid outcome measures and accurate payment. Completing OASIS is a very specific process, with specific criterion for each response. While skilled home care is an art, completing the OASIS is very much a science.
When a clinician makes an assessment visit, the Centers for Medicare & Medicaid Services (CMS) and the home health agency are relying, expecting, and requiring that the clinician have the ability to assess the patient, and to clearly document the patient’s condition and need for services on the OASIS according to CMS interpretation. The quality of the individual patient OASIS data is a function of its degree of accuracy, neutrality, verifiability, and conformity with uniform CMS interpretations of the OASIS items.
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