OASIS is a data collection tool used by licensed and Medicare-certified home health (L&CHH) agencies. All L&CHH agencies must collect and transmit OASIS assessment data on all Medicare and Medicaid patients 18 years and older receiving skilled services, as required by Code of Federal Regulations, Title 42, Chapter IV, Subchapter G, Part 484, ยง484.20. HCSSAs that fail to comply with the OASIS requirements risk receiving a citation at the standard and condition levels as well as … [Read more...] about OASIS