Now Taking Pre-Publication Orders for the INSTANT OASIS Answers 2023 - OASIS-E. The 2023 edition contains official Centers for Medicare & Medicaid Services (CMS) updated guidance available from the Final OASIS-E Guidance Manual and available OASIS-E related Q&As. Organized with user-friendly icons and color coding, the INSTANT book is ideal to support compliant OASIS data collection and for use during the OASIS-E version of the open-book COS-C exam. Guidance is effective for data collection on or after January 1, 2023. Books will begin shipping early March 2023.