Surgical Site Infection (SSI) Events
- Chapter 9: Surgical Site Infection (SSI) Event – January 2023 [PDF – 1 MB]
- 2024 Patient Safety Component Summary of Updates [PDF – 248 KB]
Supporting Chapters
- Chapter 1: NHSN Overview – January 2023 [PDF – 350 KB]
- Chapter 3: Patient Safety Monthly Reporting Plan – January 2023 [PDF – 300 KB]
- Chapter 15: CDC Location Labels and Location Descriptions – January 2023 [PDF – 1 MB]
- Chapter 16: NHSN Key Terms – January 2023 [PDF – 300 KB]
- Chapter 17: CDC/NHSN Surveillance Definitions for Specific Types of Infections – January 2023 [PDF – 1 MB]
All Data Collection Forms are Print-only
SSI Event
Denominator Form
Custom Event Form
- HAI Custom Event form – January 2021 (57.115) [PDF – 180 KB]
- Customizable form [DOCX – 80 KB]
**Not to be used for CLABSI, CAUTI, SSI, PedVAE, VAE, pediatric VAP, or LabID events.**
To be used in conjunction with Chapter 17: CDC/NHSN Surveillance Definitions for Specific Types of Infections [PDF – 2 MB] in the NHSN Patient Safety Manual.
- Customizable form [DOCX – 80 KB]
Supporting Forms
2023 Operative Procedure Code Documents
The documents listed below should be used for procedures performed January 1, 2023 through December 2023.
- List of NHSN 2023 ICD-10 Procedure Code Updates – January 2023 [XLS – 19 KB]
- ICD-10-PCS Procedure Code Mapping to NHSN Operative Procedure Codes – September 2023 [XLS – 787 KB]
- Current Procedural Terminology (CPT) Procedure Code Mapping to NHSN Operative Procedure Codes – August 2023 [XLS – 346 KB]
- Additional Guidance for use with NHSN Operative Procedure Codes
- ICD-10-PCS & CPT Codes – Guidance for HPRO & KPRO Procedure Details – January 2023 [XLSX – 90 KB]
This guidance document may be used for completing the NHSN procedure details for HPRO – hip arthroplasty and/or KPRO – Knee arthroplasty operative procedures. - FUSN ICD-10-PCS Codes – Guidance for Spinal Level and Approach – January 2023 [XLSX – 40 KB]
This supplemental guidance may be used to complete the spinal level and approach fields in the Operative Procedure Details section for FUSN procedures. - ICD-10 CM Diabetes Diagnostic Codes – January 2023 [XLSX – 40 KB]
ICD-10-CM codes included in this spreadsheet are acceptable for use to answer “YES” to “Diabetes Mellitus” for completing the NHSN Operative Procedure Details. - ICD-10-CM/PCS Codes for ‘prior infection at hip or knee joint’ denominator form question – January 2023 [XLSX – 40 KB]
Use ICD-10-PCS/CM diagnosis or procedure codes included in this spreadsheet to determine if patient meets criteria for ‘prior infection at index joint’.
- ICD-10-PCS & CPT Codes – Guidance for HPRO & KPRO Procedure Details – January 2023 [XLSX – 90 KB]
- Document detailing changes made to the 2022-2023 operative procedure codes
- Summary of 2022-2023 Code Changes – January 2023 [XLS – 388 KB]
This document includes changes made to the 2022 procedure codes for 2023 SSI reporting. Because both outdated (removed) and current procedure codes are included, use caution if this document is used to identify procedures for SSI events for reporting.
- Summary of 2022-2023 Code Changes – January 2023 [XLS – 388 KB]
2022 Operative Procedure Code Documents
The documents are listed under the 2022 Resources section on the Data Validation page and should be used for procedures performed in 2022.
SSI Training
Educational Roadmap
CMS Requirements
HAI Checklists
Supporting Materials
- NHSN Organism List (All Organisms, Common Commensals, MBI Organisms, and UTI Bacteria) – July 2023 [XLS – 560 KB]
- Sample Procedure Import File [XLSX – 25 KB]
- How to Import Patient Safety Procedure Data, January 2020 [PDF – 400 KB]
- NHSN Patient Safety Component Alerts [PDF – 1 MB]
- Unusual Susceptibility Profiles Alert – January 2022 [PDF – 650 KB]
- Improving Risk-Adjusted Measures of Surgical Site Infection for NHSN [PDF – 527 KB]
Analysis Resources
- Analysis Resources
- Analysis Quick Reference Guides
- PSC – Data Dictionary [XLS – 1 MB]
- How to Determine Procedures Excluded from the SSI SIR: Universal Exclusion Criteria – February 2017 [PDF – 400 KB]
- How to Determine Events Included in the SSI SIR – SSI Event Indicators – February 2017 [PDF – 400 KB]
- Troubleshooting Surgical Site Infection SIR under the 2015 Baseline [PDF – 150 KB]
- Troubleshooting Surgical Site Infection SIR under the Original Baseline [PDF – 150 KB]
- SIR Guide [PDF – 50 Pages]
Resources to Help Prevent HAIs