OASIS User Manuals

May 16, 2022

NOW AVAILABLE: Draft OASIS-E Guidance Manual

The draft Guidance Manual for the OASIS-E version of the OASIS data set, effective January 1, 2023, is available in the Downloads section below.

May 14, 2019

A revised version of the memorandum containing details about the changes to OASIS effective January 1, 2020 is available in the Downloads section below. The memorandum was updated from the previous version that was posted to include detail addressing the transition to the Patient-Driven Groupings Model.

April 05, 2019

A memorandum containing details about the changes to OASIS effective January 1, 2020 is available in the Downloads section below. The effective date is January 1, 2020.

January 25, 2019

An OASIS-D Guidance Manual Errata, updated 01-25-2019 has been posted to the Downloads section, below. This Errata document includes corrections to the final version of the OASIS-D Guidance Manual posted 12/20/2018 to the Downloads section of this webpage.

December 20, 2018

Final OASIS-D Guidance Manual Available

The Office of Management and Budget (OMB) approved the final OASIS-D Guidance Manual, effective January 1, 2019. It is available in the Downloads section below.

OASIS Data Set Technical Specifications

The OASIS data set specifications for encoding and transmission of OASIS assessments are available on the Data Specifications webpage.

OASIS Data Collection via jHAVEN

Documentation for using jHAVEN software can be found on the jHAVEN web page, accessible via the jHAVEN link in the Related Links section below.