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OASIS Submission Will Change This Winter

Effective January 1, 2015, OASIS assessment data will be submitted to CMS via the national OASIS Assessment Submission and Processing (ASAP) system. With the implementation of the OASIS ASAP system, home health agencies will no longer submit OASIS assessment data to CMS via their state databases.


Currently, agencies are allowed 30 days from the date of the assessment completion date (MOO90) to encode and submit OASIS data in a format that meets the format standard specified in 42 CFR 484.20(d).[1] These standards require conformity to CMS standard encoding, electronic record layout, edit specifications, and data dictionary.  It also includes the required OASIS data set. HAVEN is the software provided free from CMS for HHAs to use to submit their OASIS data.[2],[3] The process by which the OASIS is transmitted will change from HAVEN to the ASAP system on January 1, 2015.


In order to transition data from the state databases to ASAP, the OASIS submission system will shut down permanently at 6:00 p.m. ET on December 26, 2014.  The OASIS ASAP system will be available at 12:00 a.m. ET on January 1, 2015.


From 6:00 p.m. (ET) on December 26, 2014 through 11:59 p.m. (ET) on December 31, 2014, no OASIS assessments will be accepted.


The OASIS ASAP system will become available at 12:00 a.m. ET on January 1, 2015.


OASIS assessment data files submitted on or after January 1, 2015 using the ASAP system must follow version 2.10 (which supports OASIS-C) and version 2.11 (which supports OASIS-C1) of the OASIS data submission specifications.


For more information on the ASAP transition, go to:



[1] http://www.gpo.gov/fdsys/pkg/CFR-2011-title42-vol5/pdf/CFR-2011-title42-vol5-sec484-20.pdf

[2] http://www.cms.gov/Medicare/Quality-Initiatives-Patient-Assessment-Instruments/OASIS/HAVEN.html


[3] https://www.qtso.com/havendownload.html


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