ICD Code F91.9

ICD code F91.9 is conduct disorder, unspecified, which refers to a behavioral disorder in children or adolescents characterized by ongoing patterns of aggressive, disruptive, or antisocial behavior, without further specification of the type or cause.

1. Repetitive and persistent pattern of behavior violating the basic rights of others or major age-appropriate societal norms or rules

2. Aggression to people and animals (e.g., bullying, threatening, physical fights, cruelty)

3. Destruction of property (e.g., fire-setting, vandalism)

4. Deceitfulness or theft (e.g., breaking and entering, lying, stealing)

5. Serious violations of rules (e.g., truancy, running away, staying out at night despite parental prohibitions)

6. Symptoms cause significant impairment in social, academic, or occupational functioning

7. Onset of symptoms before age 18

8. Does not meet criteria for a more specific subtype of conduct disorder

Applicable CPT codes for ICD code F91.9 include:

- 90791 (Psychiatric diagnostic evaluation)

- 90792 (Psychiatric diagnostic evaluation with medical services)

- 90832 (Psychotherapy, 30 minutes with patient)

- 90834 (Psychotherapy, 45 minutes with patient)

- 90837 (Psychotherapy, 60 minutes with patient)

- 90846 (Family psychotherapy, without patient present)

- 90847 (Family psychotherapy, with patient present)

- 90853 (Group psychotherapy)

- 96130 (Psychological testing evaluation services, first hour)

- 96131 (Psychological testing evaluation services, each additional hour)

- 96136 (Psychological or neuropsychological test administration and scoring, first 30 minutes)

- 96137 (Each additional 30 minutes)

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