Unspecified Other (or Unknown) Substance–Related Disorder 585
Disorders”); other (or unknown) substance–induced sexual dysfunction (“Sexual Dys-
functions”); and other (or un known) substance/me dication–induced major or mild neu-
rocognitive disorder (“Neurocognitive Diso rders”). For other (or unknown) substance–
induced intoxication delirium and other (o r unknown) substance–induced withdrawal
delirium, see the criteria and discussion of delirium in the chapter “Neurocognitive Dis-
orders.” These other (or unknown) substanc e–induced disorders are diagnosed instead of
other (or unknown) substance intoxication or other (or unknown) substance withdrawal
only when the symptoms are sufficiently seve re to warrant independent clinical attention.
Unspecified Other (or Unknown)
Substance–Related Disorder
292.9 (F19.99)
This category applies to presentations in which symptoms characteristic of an other (or un-
known) substance–related disorder that cause clinically significant distress or impairment
in social, occupational, or other important areas of functioning predominate but do not
meet the full criteria for any specific other  (or unknown) substance–related disorder or any
of the disorders in the substance-related disorders diagnostic class.
Non-Substance-Related Disorders
Gambling Disorder
Diagnostic Criteria 312.31 (F63.0)
A. Persistent and recurrent problematic gambling behavior leading to clinically significant
impairment or distress, as indicated by the individual exhibiting four (or more) of the fol-
lowing in a 12-month period:
1. Needs to gamble with increasing amounts of money in order to achieve the desired
excitement.
2. Is restless or irritable when attempting to cut down or stop gambling.