Issued by: Centers for Medicare & Medicaid Services (CMS)

Issue Date: May 12, 2020

Updates

December 23, 2024

NOW AVAILABLE- Final version of the OASIS-E1 All Items Instrument

The final version of the OASIS-E1 All Items instrument is now available in the Downloads section, below. 

December 16, 2024

NOW AVAILABLE- Final OASIS-E1 Time Points Instruments 

The final OMB-approved OASIS-E1 time points Instruments, effective 1/1/2025, are now available in a zip file in the Downloads section, below. 

A change table OASIS-E1 Instruments March 2024 – December 2024 Changes, also available in the Downloads section, below, lists minor corrections from the draft to final versions. The final OASIS-E1 All Items instrument will be posted when available.

May 3, 2024

The draft Outcome and Assessment Information Set Version E1 (OASIS-E1) Instruments (All Items and Time Point versions) are available in a zip file in the Downloads section below. 

January 2, 2023

NOW AVAILABLE: Draft OASIS-E1 Instrument

The draft Outcome and Assessment Information Set Version E-1 (OASIS-E1) All Items instrument, scheduled for an effective date of January 1, 2025, is available in the Downloads section below. The accompanying OASIS-E1 Manual will be released at a later date.

December 6, 2022

NOW AVAILABLE – Final OASIS-E Instrument and OASIS-E Changes from Draft to Final Instrument & Manual

The final Outcome and Assessment Information Set Version E (OASIS-E) All Items and time point versions of the instrument, effective January 1, 2023, are available in the Downloads section below. A log of changes from the draft to final instrument and Manual is also available in the Downloads section on the OASIS Users Manuals page.  

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DISCLAIMER: The contents of this database lack the force and effect of law, except as authorized by law (including Medicare Advantage Rate Announcements and Advance Notices) or as specifically incorporated into a contract. The Department may not cite, use, or rely on any guidance that is not posted on the guidance repository, except to establish historical facts.