OASIS-E2 vs. OASIS-E1: What Changed and What It Means for Your Agency
CMS made OASIS-E2 the operative standard effective April 1, 2026, off-cycle, with ROC time point additions including A1110, B0200, and B1000 creating a silent compliance failure in agencies whose EHR systems were not updated by that date. OASIS-E documentation 2026 compliance now requires item-level verification across three change categories: two item replacements, one removal, and ROC additions that produce non-compliant submissions without alerting the clinician.