ICD-10
What’s New?
CMS announces 41 new ICD-10-PCS codes (PDF), effective April 1, 2024.
The FY 2025 code update files are now available. Use these codes for discharges occurring from October 1, 2024 – September 30, 2025, and for patient encounters occurring from October 1, 2024 – September 30, 2025.
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On October 1, 2015, the health care industry transitioned from ICD-9 to ICD-10 codes for diagnoses and inpatient procedures. Use ICD-10 to code services provided on or after October 1, 2015. ICD-10 applies to all parties covered by the Health Insurance Portability and Accountability Act (HIPAA), not just providers who bill Medicare or Medicaid.
ICD-10 Files
- 2025 ICD-10 CM & PCS files
2025 ICD-10-CM files
These files include updates for FY 2025. Use these codes for discharges occurring from October 1, 2024 – September 30, 2025, and for patient encounters occurring from October 1, 2024 – September 30, 2025.
- 2025 POA Exempt Codes (ZIP)
- 2025 Conversion Table (ZIP)
- 2025 Code Descriptions in Tabular Order (ZIP)
- 2025 Addendum (ZIP)
- 2025 Code Tables, Tabular and Index (ZIP)
- FY 2025 ICD-10-CM Coding Guidelines (PDF)
2025 ICD-10-PCS files
These files include updates for FY 2025. Use these codes for discharges occurring from October 1, 2024 – September 30, 2025.
- 2025 ICD-10-PCS Order File (Long and Abbreviated Titles) (ZIP)
- 2025 Official ICD-10-PCS Coding Guidelines (PDF)
- 2025 Version Update Summary (ZIP)
- 2025 ICD-10-PCS Codes File (ZIP)
- 2025 ICD-10-PCS Conversion Table (ZIP)
- 2025 ICD-10-PCS Code Tables and Index (ZIP) - Updated 07/09/2024
- 2025 ICD-10-PCS Addendum (ZIP) - Updated 07/09/2024
- 2024 ICD-10 CM & PCS files
2024 ICD-10-CM files
These files include updates for FY 2024. Use these codes for discharges occurring from October 1, 2023 – September 30, 2024 and for patient encounters occurring from October 1, 2023 – September 30, 2024.
The ICD-10-CM April 1, 2024 update addresses typographical errors. There are no new diagnosis codes being implemented. The files below contain information on the ICD-10-CM updates effective with discharges on and after April 1, 2024.
- 2024 POA Exempt Codes (ZIP)
- 2024 Conversion Table (ZIP) - Updated 09/21/2023
- 2024 Addendum (ZIP) - Updated 02/01/2024
- 2024 Code Descriptions in Tabular Order (ZIP) - Updated 02/01/2024
- 2024 Code Tables, Tabular and Index (ZIP) - Updated 02/01/2024
- FY 2024 ICD-10-CM Coding Guidelines (PDF) - Updated 02/01/2024
- 2024 Errata (PDF) - July 26, 2023
2024 ICD-10-PCS files
These files include updates for FY 2024. Use these codes for discharges occurring from October 1, 2023 – September 30, 2024.
The updated ICD-10-PCS code files include 41 new procedure codes effective April 01, 2024.
- 2024 ICD-10-PCS Order File (Long and Abbreviated Titles) (ZIP) - Updated 12/19/2023
- 2024 Official ICD-10-PCS Coding Guidelines (PDF) - Updated 12/19/2023
- 2024 Version Update Summary (ZIP) - Updated 12/19/2023
- 2024 ICD-10-PCS Codes File (ZIP) - Updated 12/19/2023
- 2024 ICD-10-PCS Conversion Table (ZIP) - Updated 12/19/2023
- 2024 ICD-10-PCS Code Tables and Index (ZIP) - Updated 12/19/2023
- 2024 ICD-10-PCS Addendum (ZIP) - Updated 12/19/2023
- ERRATA - April 1 2024 ICD-10-PCS code update (PDF) - Posted 04/29/2024
Note: There is no FY 2024 GEMs file. As stated in the FY 2016 IPPS/LTCH PPS final rule (80 FR 49388), the GEMs have been updated on an annual basis as part of the ICD-10 Coordination and Maintenance Committee meetings process and will continue to be updated for approximately 3 years after ICD-10 is implemented. - 2023 ICD-10 CM & PCS files
2023 ICD-10-CM files
These files include updates for FY 2023. Use these codes for discharges occurring from October 1, 2022 – September 30, 2023 and for patient encounters occurring from October 1, 2022 – September 30, 2023.
Effective April 1, 2023, the CDC’s National Center for Health Statistics (NCHS) implemented 42 new diagnosis codes into the ICD-10-CM. These codes help collect health-related social needs (HRSNs) – an individual’s unmet, adverse social conditions that contribute to poor health outcomes.
- 2023 POA Exempt Codes (ZIP) - Updated 03/01/2023
- 2023 Conversion Table (ZIP) - Updated 01/23/2023
- 2023 Code Descriptions in Tabular Order (ZIP) - Updated 01/11/2023
- 2023 Addendum (ZIP) - Updated 01/11/2023
- 2023 Code Tables, Tabular and Index (ZIP) - Updated 01/11/2023
- FY 2023 ICD-10-CM Coding Guidelines (PDF) - Updated 01/11/2023
2023 ICD-10-PCS files
These files include updates for FY 2023. Use these codes for discharges occurring from October 1, 2022 – September 30, 2023.
The updated ICD-10-PCS code files include 34 new procedure codes effective April 01, 2023.
- 2023 ICD-10-PCS Order File (Long and Abbreviated Titles) (ZIP) – Updated 01/11/2023
- 2023 Official ICD-10-PCS Coding Guidelines (PDF)
- 2023 Version Update Summary (ZIP) - Updated 01/11/2023
- 2023 ICD-10-PCS Codes File (ZIP) - Updated 01/11/2023
- 2023 ICD-10-PCS Conversion Table (ZIP) - Updated 01/11/2023
- 2023 ICD-10-PCS Code Tables and Index (ZIP) - Updated 01/11/2023
- 2023 ICD-10-PCS Addendum (ZIP) - Updated 01/11/2023
Note: There is no FY 2023 GEMs file. As stated in the FY 2016 IPPS/LTCH PPS final rule (80 FR 49388), the GEMs have been updated on an annual basis as part of the ICD-10 Coordination and Maintenance Committee meetings process and will continue to be updated for approximately 3 years after ICD-10 is implemented. - 2022 ICD-10 CM & PCS files
2022 ICD-10-CM files
These files include updates for FY 2022. Use these codes for discharges occurring from October 1, 2021 – September 30, 2022 and for patient encounters occurring from October 1, 2021 – September 30, 2022.
In response to the COVID-19 public health emergency, the CDC’s National Center for Health Statistics (NCHS) implemented 3 new diagnosis codes, Z28.310, Z28.311 and Z28.39, into the ICD-10-CM, for reporting COVID-19 vaccination status effective April 1, 2022.
The files below contain information on the ICD-10-CM updates effective with discharges on and after April 1, 2022.
- 2022 POA Exempt Codes (ZIP) - Updated 02/15/2022
- 2022 Conversion Table (ZIP) - Updated 02/01/2022
- 2022 Code Descriptions in Tabular Order (ZIP) - Updated 02/01/2022
- 2022 Addendum (ZIP) - Updated 02/01/2022
- 2022 Code Tables, Tabular and Index (ZIP) - Updated 02/01/2022
- FY 2022 ICD-10-CM Coding Guidelines (PDF) - Updated 02/01/2022
2022 ICD-10-PCS files
These files include updates for FY 2022. Use these codes for discharges occurring from October 1, 2021 – September 30, 2022.
In response to the COVID-19 public health emergency, CMS implemented 9 new procedure codes into the ICD-10-PCS to describe the introduction or infusion of therapeutics, including vaccines for COVID-19 treatment, effective April 1, 2022.
The files below contain information on the ICD-10-PCS COVID-19 updates effective with discharges on and after April 1, 2022. Additional files containing information related to 2 newer procedure codes is located below as ERRATA.
- 2022 ERRATA (ZIP) - 01/12/2022
- 2022 ICD-10-PCS Order File (Long and Abbreviated Titles) (ZIP) - Updated 12/01/2021
- 2022 Official ICD-10-PCS Coding Guidelines (PDF) - Updated 12/01/2021
- 2022 Version Update Summary (ZIP) - Updated 12/01/2021
- 2022 ICD-10-PCS Codes File (ZIP) - Updated 12/01/2021
- 2022 ICD-10-PCS Conversion Table (ZIP) - Updated 12/01/2021
- 2022 ICD-10-PCS Code Tables and Index (ZIP) - Updated 12/01/2021
- 2022 ICD-10-PCS Addendum (ZIP) - Updated 12/01/2021
Note: There is no FY 2022 GEMs file. As stated in the FY 2016 IPPS/LTCH PPS final rule (80 FR 49388), the GEMs have been updated on an annual basis as part of the ICD-10 Coordination and Maintenance Committee meetings process and will continue to be updated for approximately 3 years after ICD-10 is implemented. - 2021 ICD-10 CM & PCS files
2021 ICD-10-CM files
These files include updates for FY 2021. Use these codes for discharges occurring from October 1, 2020 – September 30, 2021 and for patient encounters occurring from October 1, 2020 – September 30, 2021.
In response to the COVID-19 public health emergency, the CDC’s National Center for Health Statistics (NCHS) implemented 6 new diagnosis codes into the ICD-10-CM, effective January 1, 2021.
The files below contain information on the ICD-10-CM COVID-19 updates effective with discharges and patient encounters on and after January 1, 2021.
- 2021 Coding Guidelines (PDF) - Updated 12/16/2020
- 2021 POA Exempt Codes (ZIP) - Updated 12/04/2020
- 2021 Code Descriptions in Tabular Order (ZIP) – Updated 12/16/2020
- 2021 Addendum (ZIP) – Updated 12/16/2020
- 2021 Code Tables, Tabular and Index (ZIP) – Updated 12/16/2020
- 2021 Conversion Table (ZIP) – Updated 12/16/2020
2021 ICD-10-PCS files
These files include updates for FY 2021. Use these codes for discharges occurring from October 1, 2020 – September 30, 2021.
In response to the COVID-19 public health emergency, CMS implemented 21 new procedure codes into the ICD-10-PCS to describe the introduction or infusion of therapeutics, effective January 1, 2021.
The files below contain information on the ICD-10-PCS COVID-19 updates effective with discharges on and after January 1, 2021.
- 2021 ICD-10-PCS Order File (Long and Abbreviated Titles) (ZIP) - Updated 12/01/2020
- 2021 Official ICD-10-PCS Coding Guidelines (PDF) - Updated 12/01/2020
- 2021 ICD-10-PCS Code Tables and Index (ZIP) - Updated 12/01/2020
- 2021 ICD-10-PCS Addendum (ZIP) - Updated 12/01/2020
- 2021 ICD-10-PCS Codes File (ZIP) - Updated 12/01/2020
- 2021 ICD-10-PCS Conversion Table (ZIP) - Updated 12/01/2020
- 2021 Version Update Summary (PDF) - Updated 12/01/2020
Note: There is no FY 2021 GEMs file. As stated in the FY 2016 IPPS/LTCH PPS final rule (80 FR 49388), the GEMs have been updated on an annual basis as part of the ICD-10 Coordination and Maintenance Committee meetings process and will continue to be updated for approximately 3 years after ICD-10 is implemented.
For older files and announcements, visit ICD-10 Files & News Archive.
ICD-10 Resources
- Diagnosis Coding: Using the ICD-10-CM web-based training
- Procedure Coding: Using the ICD-10-PCS web-based training
- Health Care Code Sets: ICD-10 (PDF) fact sheet
- Medicare Coverage Database
- Federal Register Final Rule for Medical Loss Ratio
- Federal Register Final Rule for ICD-10
- Federal Register Final Rule for Electronic Transaction Standards
Need Help?
- Submit specific coding questions to the American Hospital Association’s Coding Clinic Advisor (the official U.S. clearinghouse on medical coding).
- Contact your Medicare Administrative Contractor (MAC) for questions about claims processing and payment or local coverage decisions. Find your MAC's website.
- For questions about National Coverage Determinations, contact CAG.
- Visit MEARIS™ to submit a request to update the ICD-10-PCS procedure codes. Learn more about the Process for Requesting ICD-10-PCS Procedure Codes.
- Submit requests to update the ICD-10-CM diagnosis codes to nchsicd10cm@cdc.gov. The CDC develops and maintains ICD-10-CM.