OASIS Data Sets
Updates
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.
Related Links
Downloads
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Draft_OASIS-E1_Instruments (ZIP) -
Draft_OASIS-E1_All_Items_Instrument-01-02-2024 (PDF) -
HHA Assessment Requirements Calendar Year 2025 (PDF) -
OASIS_E_Final_Instruments_effective_1_1_2023 (ZIP) -
Draft OASIS_E_All Items Instrument 02012022 (PDF) -
OASIS-E Update Instrument_5.16.22 (PDF) -
OASIS-E-InstrumentChanges_05.16.22 (PDF) -
OASIS_Instruments_effective_01-01-2022 (ZIP) -
Data elements finalized for removal in CY 2018 HH PPS Final Rule.pdf (PDF) -
OASIS D_All Items_final (PDF) -
OASIS_Instruments_effective-01-01-2020 (ZIP) -
Archived: The Right to Copy, Print and Use OASIS (PDF)