Annual Injury Surveillance Report 2021 Summary

This document provides a summary of injury medical encounter surveillance data for Active Duty U.S. Army Soldiers from Calendar Year (CY) 2021. Injuries summarized in this report are based on medical encounters diagnosed using codes from the International Classification of Diseases, Clinical Modification, 10th Revision ICD-10 CM. Diagnosis codes for injuries were identified as those describing any damage or interruption of body tissue function caused by an energy transfer that exceeds tissue tolerance suddenly acute trauma or gradually cumulative micro-trauma. During CY2021, injuries were the leading cause of medical encounters (over 2 million encounters) and cumulative micro-traumatic musculoskeletal overuse injuries accounted for a large majority of incident injuries (70 ). Most incident injuries (99 ) were treated in the outpatient setting. The leading activity associated with outpatient injury encounters was running, the leading place was military training grounds, and leading causes were overexertion and falls.