Fig. 1
From: An emergency department medical record review for adolescent intentional self-harm injuries
Proposed study definition for identifying emergency department discharge billing records for initial treatment of intentional self-harm (ISH) injuries in records coded with the International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM). *The term “first-listed discharge diagnosis field” in ED billing records is analogous to “principal diagnosis” for inpatient discharge records