Final answer:
The IHI Global Trigger Tool definition of harm includes 'Permanent loss of function.' This category is used to identify lasting harm caused by medical care, as opposed to expected or temporary outcomes.
Step-by-step explanation:
In the IHI Global Trigger Tool definition of harm, the included category is C. Permanent loss of function. This tool is designed to identify incidents where harm has occurred as a result of medical care, rather than expected side effects or temporary discomfort. Permanent loss of function could include situations where a patient experiences a lasting disability or a decline in physical or mental capabilities that is not anticipated as a part of the treatment process.