Article
CMS publishes 2023 supplemental security income ratios
April 2, 2025 · Authored by Lindsay Webb
The Centers for Medicare & Medicaid Services (CMS) published the Supplemental Security Income (SSI) percentages for fiscal year (FY) 2023.
Important information about the publication of percentages follows. The guidance takes effect April 14, 2025.
Key information
Applicable healthcare entities
CMS published SSI data for the following healthcare entities:
- Inpatient Prospective Payment System (IPPS) hospitals
- Inpatient rehabilitation facilities (IRFs)
- Long-term care hospitals (LTCHs) that bill Medicare Administrative Contractors (MACs) for Medicare beneficiaries’ services
Resources
The FY 2023 SSI percentages can be accessed electronically on the CMS website, and the following pages focus on each applicable healthcare entity:
Timing
On March 13, 2025, CMS issued Change Request 13971 (CR), providing technical direction to MACs.
The CR states that Medicare Part A “contractors shall update their IPPS, IRF, and LTCH provider specific files prospectively, within 30 days of the implementation date of this CR, using the latest year’s SSI Ratio posted to the CMS website as of the implementation date of this CR, except when explicitly directed otherwise by CMS.”
Data
The SSI data files contain:
Related sections
