Changes to response guidance for J1800 and J1900 were reportedly effective Jan. 1, 2026, according to CMS’ Quarterly OASIS Q&As released Nov. 20. However, CMS has yet to publish the specifics on the changes in an errata. A draft update to the OASIS Guidance Manual, effective with OASIS-E2 on April 1, 2026, does include new guidance for the measures.
 
Here’s a breakdown of the key pieces of new information in the draft manual update, released Dec. 18.
 
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