OASIS User Manuals
February 26, 2026
The final Guidance Manual for the OASIS-E2 version of the OASIS data set and OASIS-E2 Questions and Answers documents, effective April 1, 2026, are available in the Downloads section below.
December 18, 2025
The Outcome and Assessment Information Set Version E2 (OASIS-E2) Data Submission Specifications Version 3.02.0 are now available in the Downloads section of the OASIS Data Sets page at https://www.cms.gov/medicare/quality/home-health/oasis-data-sets
This FINAL version applies to the OASIS-E2 item set, which is scheduled for implementation on April 1, 2026. Note that item A0810 replaces M0069_PAT_GENDER, item A1255 replaces the A1250 items, several items were added to RFA 03, and the dash (-) is now an allowed value for the item D0150 frequency items. These item changes resulted in several edit changes.
Review the OASIS-E2 Guidance manual for additional information and the Item Change and Edit Change reports within the data specifications. The draft Guidance Manual for the OASIS-E2 version of the OASIS data set, effective April 1, 2026, is available in the Downloads below.
Downloads
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Final OASIS-E2 Questions and Answers (ZIP) -
Final OASIS E2 Manual_04_01_2026 (PDF) -
OASIS-E2 Draft 508 11_14_25 (PDF) -
Home-Health-OASIS-All-Payer-QA-November-2024 (PDF)
Page Last Modified:
07/01/2026 02:17 PM