| Diagnosis Codes | 
 | 
| Diagnosis: Major Depressive Disorder-Active: ICD-9 | 
296.20, 296.21, 296.22, 296.23, 296.24, 296.30, 296.31, 296.32, 296.33, 296.34  | 
| Diagnosis: Major Depressive Disorder-Active: ICD-10 | 
F32.0, F32.1, F32.2, F32.3, F32.9, F33.0, F33.1, F33.2, F33.3, F33.9  | 
| Diagnosis: Major Depressive Disorder-Active: SNOMED | 
14183003, 15193003, 15639000, 18818009, 191610000, 191611001, 191613003, 20250007, 25922000, 2618002, 268621008, 28475009, 319768000, 320751009, 33078009, 33736005, 36474008, 36923009, 370143000, 38694004, 39809009, 40379007, 42925002, 430852001, 60099002, 63778009, 66344007, 69392006, 71336009, 73867007, 75084000, 76441001, 77911002, 79298009, 832007, 87512008  | 
| Encounter Codes | 
 | 
| Encounter, Performed: Emergency Department Visit: CPT | 
99281, 99282, 99283, 99284, 99285  | 
| Encounter, Performed: Face-to-Face Interaction: SNOMED | 
12843005, 18170008, 185349003, 185463005, 185465003, 19681004, 207195004, 270427003, 270430005, 308335008, 390906007, 406547006, 439708006, 4525004, 87790002, 90526000  | 
| Encounter, Performed: Office Visit: CPT | 
99201, 99202, 99203, 99204, 99205, 99212, 99213, 99214, 99215  | 
| Encounter, Performed: Outpatient Consultation: CPT | 
99241, 99242, 99243, 99244, 99245  | 
| Encounter, Performed: Psych Visit – Diagnostic Evaluation: CPT | 
90791, 90792  | 
| Encounter, Performed: Psych Visit – Psychotherapy: CPT | 
90832, 90834, 90837  | 
| Encounter, Performed: Psychoanalysis: CPT | 
90845 | 
| Suicide Risk Assessment Codes | 
 | 
| Intervention, Performed: Suicide Risk Assessment: SNOMED | 
225337009 |