stance intoxication, other (or unknown) substance withdrawal, or another other (or unknown)
substance–induced mental disorder is present, do not use the codes below for other (or un-
known) substance use disorder. Instead, the comorbid other (or unknown) substance use dis-
order is indicated in the 4th character of the other (or unknown) substance–induced disorder
code (see the coding note for other (or unknown) substance intoxication, other (or unknown)
substance withdrawal, or specific other (or unknown) substance–induced mental disorder).
For example, if there is comorbid other (or unknown) substance–induced depressive disorder
and other (or unknown) substance use disorder, only the other (or unknown) substance–
induced depressive disorder code is given, with the 4th character indicating whether the co-
morbid other (or unknown) substance use disorder  is mild, moderate, or severe: F19.14 for
other (or unknown) substance use disorder with other (or unknown) substance–induced de-
pressive disorder or F19.24 for a moderate or severe other (or unknown) substance use dis-
order with other (or unknown) substance–induced depressive disorder.
Specify current severity:
305.90 (F19.10) Mild:  Presence of 2–3 symptoms.
304.90 (F19.20) Moderate: Presence of 4–5 symptoms.
304.90 (F19.20) Severe:  Presence of 6 or more symptoms.
Specifiers
“In a controlled environment” app lies as a further specifier of remission if the individual is
both in remission and in a controlled environm ent (i.e., in early remission in a controlled