The () is the system used by clinicians and medical coders to document diseases, symptoms, social circumstances, and external causes of illness and injury. codes for various forms of abuse and violence perpetrated against children and adults exist and facilitate the study of incidence, social context, and comorbid illness and injury. Extant abuse codes, however, fail to capture the profoundly exploitative nature of trafficking and adequately distinguish trafficking patients from other types of abuse patients. As a result, the first trafficking-specific codes have been approved for the 2019 update and are expected to strengthen data collection on incidence of and risk factors for trafficking, the burden of comorbid illness and injury, and resources needed to effectively care for trafficked persons.