Bloodstream Infection (BSI) Events
BSI (CLABSI)
Central Line-Associated Bloodstream Infection (CLABSI) and non-central line-associated Bloodstream Infection
- Chapter 4: Bloodstream Infection (BSI) Event – January 2024 [PDF – 1 MB]
For full details on protocol definitions and the application of these definitions, please review the applicable protocol and Chapter 2: Identifying Healthcare-associated Infections (HAIs) in NHSN. - 2025 Patient Safety Component Summary of Updates [PDF – 6 Pages]
Supporting Chapters
- Chapter 1: NHSN Overview – January 2024 [PDF – 350 KB]
- Chapter 2: Identifying Healthcare-associated Infections (HAIs) in NHSN – January 2024 [PDF – 1 MB]
- Chapter 3: Patient Safety Monthly Reporting Plan – January 2024 [PDF – 300 KB]
- Chapter 15: CDC Location Labels and Location Descriptions – January 2024 [PDF – 1 MB]
- Chapter 16: NHSN Key Terms – January 2024 [PDF – 300 KB]
- Chapter 17: CDC/NHSN Surveillance Definitions for Specific Types of Infections – January 2024 [PDF – 1 MB]
All Data Collection Forms are Print-only
BSI Event
Denominator Forms
ACH
- Denominators for Intensive Care Unit (ICU)/Other locations (not NICU or SCA) form (57.118) [PDF – 80 KB]
- Denominators for Neonatal Intensive Care Unit (NICU)) form (57.116) [PDF – 80 KB]
- Denominators for Specialty Care Area (SCA) form (57.117) [PDF – 80 KB]
LTACH, IRF and IPF
Custom Event Form
- HAI Custom Event form (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
BSI Training
Educational Roadmap
CMS Requirements
HAI Checklists
Supporting Materials
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- NHSN Organism List (All Organisms, Common Commensals, MBI Organisms, and UTI Bacteria) – February 2024 [XLS – 560 KB]
- Guidance for Missing Device-associated Denominator Data – September 2024 [PDF – 300 KB]
- NHSN Patient Safety Component Alerts [PDF – 1 MB]
- Unusual Susceptibility Profiles Alert – January 2022 [PDF – 650 KB]
- Location Mapping Checklist [PDF – 750 KB]
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HAI & POA Calculator
Analysis Resources
- Analysis Resources
- Analysis Quick Reference Guides
- Analyzing MBI-LCBI CLABSI Data [PDF – 106 KB]
- Troubleshooting CLABSI and CAUTI SIR [PDF – 150 KB]
- How to see “Create” and “Modify” dates within NHSN [PDF – 400 KB]
- NHSN’s Guide to the SIR (2015 Baseline) [PDF – 50 Pages] – A comprehensive guide to NHSN’s SIR, including risk factors used in the SIR calculations under the 2015 baseline.
- NHSN’s Guide to the SUR (2015 Baseline) [PDF – 28 Pages] – A comprehensive guide to the NHSN’s SUR, including significant factors used in the SUR calculations under the 2015 baseline.
- PSC – Data Dictionary [XLS – 1 MB]
Resources to Help Prevent HAIs
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- 2011 Guidelines for the Prevention of Intravascular Catheter-Related Infections
- HHS Action Plan to Prevent Healthcare-associated Infections
- Management of Multidrug-Resistant Organisms In Healthcare Settings, 2006
- Guideline for Isolation Precautions: Preventing Transmission of Infectious Agents in Healthcare Settings, 2007
- Guideline for Environmental Infection Control in Healthcare Facilities, 2003
- C. difficile Excerpt
