### Question
How is the term mental illness defined?


### Answer
The term **mental illness** is defined in *42 U.S.C. § 3797aa* as the following:

> a diagnosable mental, behavioral, or emotional disorder—


(A) of sufficient duration to meet diagnostic criteria within the most recent edition of the Diagnostic and Statistical Manual of Mental Disorders published by the American Psychiatric Association

#### Citation:
  - *42 U.S.C. § 3797aa*
  - Heading: **CHAPTER 46-JUSTICE SYSTEM IMPROVEMENT > SUBCHAPTER XIX-ADULT AND JUVENILE COLLABORATION PROGRAM GRANTS**

