ICD-10
What’s New?
CMS announces 41 new ICD-10-PCS codes (PDF), effective April 1. 2024
For older announcements, visit ICD-10 Files & News Archive
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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 Resources
- Diagnosis Coding: Using the ICD-10-CM web-based training
- Health Care Code Sets: ICD-10 (PDF) fact sheet
- ICD-10 Final Rule
- Medicare Coverage Database
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
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.
In an effort to better enable the collection of health-related social needs (HRSNs), defined as individual-level, adverse social conditions that negatively impact a person’s health or healthcare, are significant risk factors associated with worse health outcomes as well as increased healthcare utilization, the Centers for Disease Control and Prevention’s (CDC) National Center for Health Statistics (NCHS) is implementing 42 new diagnosis codes into the ICD-10-CM, for reporting effective April 1, 2023.
- 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 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. - 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 through September 30, 2022 and for patient encounters occurring from October 1, 2021 through September 30, 2022.
In response to the ongoing national emergency concerning COVID-19, the Centers for Disease Control and Prevention’s (CDC) National Center for Health Statistics (NCHS) is implementing 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 through September 30, 2022.
In response to the COVID-19 pandemic, CMS is implementing 9 new procedure codes, to describe the introduction or infusion of therapeutics, including vaccines for COVID-19 treatment, into the ICD-10-PCS, 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) - January 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 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. - 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 national emergency that was declared concerning the COVID-19 outbreak, the Centers for Disease Control and Prevention’s (CDC) National Center for Health Statistics (NCHS) is implementing 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, the Centers for Medicare and Medicaid Services (CMS) is implementing 21 new procedure codes to describe the introduction or infusion of therapeutics into the ICD-10-PCS, 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 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.
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.