OASIS & Assessment

    5-Day Assessment Window

    The 5-day assessment window is the regulatory deadline for completing the start of care comprehensive assessment, including the OASIS: within 5 days after the start of care date, where the SOC date counts as day 0. A parallel 5-day window applies at recertification, when the assessment must be completed during the last 5 days of each 60-day certification period.

    Definition

    The 5-day assessment window is the regulatory deadline for completing the start of care comprehensive assessment, including the OASIS: within 5 days after the start of care date, where the SOC date counts as day 0. A parallel 5-day window applies at recertification, when the assessment must be completed during the last 5 days of each 60-day certification period.

    Why it matters

    5-Day Assessment Window is part of the OASIS & Assessment vocabulary used across home health operations, documentation, and revenue cycle. Understanding it helps clinicians, QA leads, and administrators stay aligned on care quality and compliance.

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