The Centers for Medicare & Medicaid Services (CMS) released its fiscal year 2019 proposed rule for hospital inpatient proposed payment systems (IPPS) for comment. The topics covered in our comment letter include support for the proposed new MS-DRG assignments for procedures involving open removal and insertion of spacers into hip and knee joints, the removal of reporting measures related to reporting burdens, opioid electronic measure development and outpatient procedures related to calculating facility measures. AAHKS also signed on to AAOS’s comment letter, which is broader in scope. Read the full AAHKS comment letter.