| F33 | Major depressive disorder, recurrent | NON-BILLABLE CODE |
| F33.0 | Major depressive disorder, recurrent, mild | BILLABLE CODE |
| F33.1 | Major depressive disorder, recurrent, moderate | BILLABLE CODE |
| F33.2 | Major depressive disorder, recurrent severe without psychotic features | BILLABLE CODE |
| F33.3 | Major depressive disorder, recurrent, severe with psychotic symptoms | BILLABLE CODE |
| F33.4 | Major depressive disorder, recurrent, in remission | NON-BILLABLE CODE |
| F33.40 | Major depressive disorder, recurrent, in remission, unspecified | BILLABLE CODE |
| F33.41 | Major depressive disorder, recurrent, in partial remission | BILLABLE CODE |
| F33.42 | Major depressive disorder, recurrent, in full remission | BILLABLE CODE |
| F33.8 | Other recurrent depressive disorders | BILLABLE CODE |
