| F42 | Obsessive-compulsive disorder | NON-BILLABLE CODE |
| F42.2 | Mixed obsessional thoughts and acts | BILLABLE CODE |
| F42.3 | Hoarding disorder | BILLABLE CODE |
| F42.4 | Excoriation (skin-picking) disorder | BILLABLE CODE |
| F42.9 | Obsessive-compulsive disorder, unspecified | BILLABLE CODE |
