2026 Icd 10 Cm Pcs Web S Free Medical Code Reference

ICD-10 What’s New? CMS announces 80 new ICD-10-PCS codes (PDF), effective April 1, 2026 The April 1, 2026 procedure code update files are now available. Use these codes for discharges occurring from April 1, 2026 -September 30, 2026, and for patient encounters occurring from April 1, 2026 – September 30, 2026. Stay up to date on ICD-10! Sign up for email updates. 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 - 2026 ICD-10 CM & PCS files 2026 ICD-10-CM files These files include updates for FY 2026. Use these codes for discharges occurring from April 1, 2026 – September 30, 2026, and for patient encounters occurring from April 1, 2026– September 30, 2026.

April 1, 2026 Code Descriptions in Tabular Order (ZIP) - April 1, 2026 Addendum (ZIP) - April 1, 2026 Code Tables, Tabular and Index (ZIP) - April 1, 2026 Conversion Table (ZIP) These files include updates for FY 2026. Use these codes for discharges occurring from October 1, 2025 – March 31, 2026, and for patient encounters occurring from October 1, 2025– March 31, 2026.

2026 POA Exempt Codes (ZIP) - 2026 Conversion Table (ZIP) - Updated 08/07/2025 - 2026 Code Descriptions in Tabular Order (ZIP) - 2026 Addendum (ZIP) - 2026 Code Tables, Tabular and Index (ZIP) - FY 2026 ICD-10-CM Coding Guidelines (PDF) 2026 ICD-10-PCS files These files include updates for FY 2026. Use these codes for discharges occurring from April 1, 2026 – September 30, 2026.

April 1, 2026 ICD-10-PCS Order File (Long and Abbreviated Titles) (ZIP) - April 1, 2026 Official ICD-10-PCS Coding Guidelines (PDF) - April 1, 2026 Version Update Summary (ZIP) - April 1, 2026 ICD-10-PCS Codes File (ZIP) - April 1, 2026 ICD-10-PCS Conversion Table (ZIP) - April 1, 2026 ICD-10-PCS Code Tables and Index (ZIP) - April 1, 2026 ICD-10-PCS Addendum (ZIP) These files include updates for FY 2026. Use these codes for discharges occurring from October 1, 2025 – March 31, 2026.

2025 ICD-10 CM & PCS files 2025 ICD-10-CM files These files include updates for FY 2025. Use the 2025 POA Exempt Codes file and the 2025 Conversion Table for discharges occurring from October 1, 2024 – September 30, 2025, and for patient encounters occurring from October 1, 2024 – September 30, 2025.

Use the 2025 Code Descriptions in Tabular Order, 2025 Addendum, 2025 Code Tables, Tabular and Index, and the FY 2025 ICD-10-CM Guidelines files for discharges occurring from October 1, 2024 – March 31, 2025, and for patient encounters occurring from October 1, 2024 – March 31, 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) These files include updates for FY 2025. Use these code files for discharges occurring from April 1, 2025 – September 30, 2025, and for patient encounters occurring from April 1, 2025 – September 30, 2025. Note: There are no changes to the 2025 POA Exempt Codes file or the 2025 Conversion Table.

2025 Code Descriptions in Tabular Order (ZIP) - 2025 Addendum (ZIP) - 2025 Code Tables, Tabular and Index (ZIP) - 2025 ICD-10-CM Coding Guidelines – NOT YET AVAILABLE 2025 ICD-10-PCS files These files include updates for FY 2025. Use these codes for discharges occurring from October 1, 2024 – March 31, 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 These files include the updates for April 1, 2025. Use these codes for discharges occurring from April 1, 2025 – September 30, 2025.

2025 ICD-10-PCS Order File (Long and Abbreviated Titles) (ZIP) - 2025 Official ICD-10-PCS Coding Guidelines (PDF) – NOT YET AVAILABLE - 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) - 2025 ICD-10-PCS Addendum (ZIP) - 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.

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 - 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.

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 - 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 - 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 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 (trademark) 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.

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