Which Form Locator is External Cause of Injury Code?

• A. Form Locator 70
• B. Form Locator 71
• C. Form Locator 72
• D. Form Locator 73

Answer: (C)

External Cause of Injury codes explain how an injury happened—the mechanism, activity, or circumstance surrounding the event. On the UB-04 claim form, the locator designated for recording these external cause details is Form Locator 72. This field is used to capture the ICD-10-CM E-code data that describe the cause of the injury, which supports injury surveillance and accurate billing. The other form locators are used for different data items, so they do not contain the external cause code.