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Surgical Site Infections (SSI)
All Data Collection Forms are Print-only
SSI Event
Denominator Form
Annual Facility Survey
Monthly Reporting Plan
2026 Operative Procedure Code Documents
The documents listed below should be used for procedures performed January 1, 2026 through December 2026.
- OPC Procedure Code Updates – January 2026 [XLS – 14 KB]
- OPC – Current Procedural Terminology (CPT) Procedure Code Mapping to NHSN Operative Procedure Codes – January 2026 [XLS – 301 KB]
This guidance document provides the list of procedure codes that are available for use within Ambulatory Surgery Centers. - ICD-10 CM Diabetes Diagnostic Codes – January 2026 [XLS – 50 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.
2025 Operative Procedure Code Documents
The documents listed below should be used for procedures performed in 2025.
- OPC Procedure Code Updates – January 2025 [XLS – 14 KB]
- OPC – Current Procedural Terminology (CPT) Procedure Code Mapping to NHSN Operative Procedure Codes – January 2025 [XLS – 305 KB]
This guidance document provides the list of procedure codes that are available for use within Ambulatory Surgery Centers. - ICD-10 CM Diabetes Diagnostic Codes – January 2025 [XLS – 50 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.
Outpatient Procedure Resource Guides
Adding Monthly Reporting Plans in the NHSN Application [PDF – 561 KB]
- Viewing Patient Safety Component Data in OPC – August 2019 [PDF – 500 KB]
- Resolving Alerts in OPC – August 2019 [PDF – 250 KB]
- How to Generate Data Sets – October 2020 [PDF – 300 KB]
- How to Filter Data by Time Period – October 2019 [PDF – 350 KB]
- How to Modify a Report – October 2019 [PDF – 500 KB]
- Line List of Excluded Outpatient Procedures from SIR – October 2019 [PDF – 450 KB]
- NHSN’s Guide to the SIR – February 2021 [PDF – 2 MB]
OPC Training
Educational Roadmap
SSI Checklist
[PDF - 428 KB]Supporting Materials
- NHSN Organism List (All Organisms, Common Commensals, MBI Organisms, and UTI Bacteria) – February 2024 [XLS – 560 KB]
- Instructions for Copying Patient Safety Component SSI Data to a Local Computer or Hard-drive [PDF – 400 KB]
These instructions should be used to copy Patient Safety Component SSI data (SSI event and procedure) to your local computer or hard-drive. - OPC SSI Post-discharge Toolkit [PDF – 1 MB]
This toolkit may be used to implement a post-discharge surgical site infection surveillance process. Toolkit contains the following samples: surgeon letter, post-discharge SSI worksheet, and procedure line list by surgeon.
- How to Import Outpatient Procedure Data, January 2025 [PDF – 350 KB]
- Outpatient Procedure Import File [CSV – 1 KB]
Resources to Help Prevent HAIs
