The External Cause of Injuries index contains codes found in Chapter 19, Injury, poisoning & certain other consequences of external causes,
and Chapter 20, External causes of morbidity, of the ICD-10-CM. The codes begin with the letters
T for Chapter 10,
Y in Chapter 20.
There are terms that are used to describe the cause as well as effect and these are used in both chapters.
See the Table of Drugs & Chemicals for drug overdose and other drug-related conditions.