A Concise and Comprehensive Description of Shoulder Pathology and Procedures: The 4D Code System

<table>Time code: Time as the fourth dimension in the 4D code system. D− denotes before surgery; D denotes day of surgery prior to repair; D+ denotes immediately after repair. Additional time points can be described, such as D+6W denotes the 6 weeks postoperative visit.</table>

Advances in Orthopedics

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Figure 3

Figure 3: A Concise and Comprehensive Description of Shoulder Pathology and Procedures: The 4D Code System 