Answer: As I have further concluded, here is an excerpt from the text you can look at to help below.
“ The Diagnostic and Statistical Manual of Mental Disorders (DSM) is the handbook used by health care professionals in the United States and much of the world as the authoritative guide to the diagnosis of mental disorders. DSM contains descriptions, symptoms, and other criteria for diagnosing mental disorders.”
Explanation: Hope this helps, have a great day! <3