The CMS Inpatient Only List is published in the Outpatient Prospective Payment System (OPPS) Final Rule as Addendum E.

• 2021 NFRM OPPS Addenda  (zip files, look for Addendum E)

The specific set of items removed from this list are found here:

• Services Removed from the Inpatient Only (IPO) List for CY 2021 (zip file)