The ICD-10-CM Index to External Causes organizes main terms for external causes of what?

The ICD-10-CM Index to External Causes is specifically designed to categorize and locate the external factors that lead to injuries and other morbidities. This organization allows healthcare providers to accurately document the circumstances under which an injury or health condition occurred, which is essential for both clinical understanding and for proper coding in billing practices.

Understanding the context of external causes is crucial for public health data analysis and accident prevention strategies. The other options, such as qualified conditions or comorbidities and complications, do not relate to the external factors causing injuries, while procedures and surgery focus on interventions rather than the circumstances surrounding health issues. Thus, the correct answer directly aligns with the purpose of the Index, highlighting the relationship between causes and health outcomes.