Conduct disorders - F91
Excludes1: It indicates that the conditions described by two codes cannot occur together in the same patient. These codes are mutually exclusive.
Type 1 Excludes:
- antisocial behavior (Z72.81-)
- antisocial personality disorder (F60.2)
Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.
Type 2 Excludes:
- conduct problems associated with attention-deficit hyperactivity disorder (F90.-)
- mood [affective] disorders (F30-F39)
- pervasive developmental disorders (F84.-)
- schizophrenia (F20.-)
These ranges represents subcategories of Conduct disorders. The "F91" signifies that these are the diseases within this broad category.