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Pressure Injury Stages
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NPIAP Pressure Injury Stages

The National Pressure Injury Advisory Panel redefined the definition of a pressure injuries during the NPIAP 2016 Staging Consensus Conference that was held April 8-9, 2016 in Rosemont (Chicago), IL.

The updated staging definitions were presented at a meeting of over 400 professionals. Using a consensus format, Dr. Mikel Gray from the University of Virginia adeptly guided the Staging Task Force and meeting participants to consensus on the updated definitions through an interactive discussion and voting process.  During the meeting, the participants also validated the new terminology using photographs.

Click here to view definitions.


Additional resources

Pressure Injury Illustrations

NPIAP offers free downloadable pressure injury illustrations for educational purposes. 

Click here to view or download all 14 staging images.

Click here to view or download a staging poster with definitions, illustrations, and photos for each stage. 

Click any of the images below to view or download the individual illustration: 



Click here to view our 2017 Position Statement on staging
Journal citation; article explains development of the 2016 staging system:

Edsberg, L. E., Black, J. M., Goldberg, M., McNichol, L., Moore, L., & Sieggreen, M. (2016). Revised National Pressure Ulcer Advisory Panel Pressure Injury Staging System: Revised Pressure Injury Staging System. J Wound Ostomy Continence Nurs, 43(6), 585-597. doi:10.1097/won.0000000000000281