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HPA OPPS Rate Comparison Tables for 2026
Below are three spreadsheets, one comparing relative weights and payment rates at the APC level, using the 2026 proposed rule Addendum A compared to 2025 Addendum A (July 1, 2025 file), as downloaded from the CMS website.
2025 NPRM OPPS Lookup
Lookup Tool: The third spreadsheet is an OPPS APC/HCPCS lookup tool that allows the user to pull-up basic descriptive and payment information for a code.
2025 NPRM Addendum B Compared to July 2024
Comparison of Proposed 2025 OPPS Addendum B With July 2024 Addendum B.
2024 NPRM OPPS Lookup
Lookup Tool: The third spreadsheet is an OPPS APC/HCPCS lookup tool that allows the user to pull-up basic descriptive and payment information for a code.
2024 NPRM Addendum A Compared to July 2023
The Addendum A spreadsheet compares relative weights and payment rates at the APC level, using the 2024 proposed rule Addendum A compared to 2023 Addendum A (July 1, 2023 file), as downloaded from the CMS website.
2024 NPRM Addendum B Compared to July 2023
The Addendum B Spreadsheet compares relative weights and payment rates at the HCPCS level, using proposed rule Addendum B compared to 2023 Addendum B (July 1, 2023 file).
Proposed 2022 Outpatient PPS Addendum A and B Compared to 2021 Spreadsheets and Lookup Tool
Attached are three spreadsheets, one comparing relative weights and payment rates at the APC level, using the 2022 proposed rule Addendum A compared to Addendum A effective July 1, 2021, as downloa
Proposed 2021 Outpatient PPS Addendum A and B Compared to 2020 Spreadsheets and Lookup Tool
Attached are three spreadsheets, one comparing relative weights and payment rates at the APC level, using the