| CDISC | C124639 | DEPRESSION | Non-standard |
| CIEL | 113012 | Depressive type psychosis | Non-standard |
| CIEL | 113014 | Depressive psychosis | Non-standard |
| CIEL | 119534 | Anaclitic depression | Non-standard |
| CIEL | 119535 | Melancholia | Non-standard |
| CIEL | 119537 | Depression | Non-standard |
| CIEL | 142563 | Depressive disorder | Non-standard |
| CIEL | 166215 | Mild to moderate depression | Non-standard |
| CIM10 | F01.03 | Acute onset vascular dementia with other symptoms, mainly depressive | Non-standard |
| CIM10 | F01.030 | Acute onset vascular dementia with other symptoms, mainly depressive, mild | Non-standard |
| CIM10 | F01.031 | Acute onset vascular dementia with other symptoms, mainly depressive, moderate | Non-standard |
| CIM10 | F01.032 | Acute onset vascular dementia with other symptoms, mainly depressive, severe | Non-standard |
| CIM10 | F01.23 | subcortical vascular dementia with other symptoms, predominantly depressive | Non-standard |
| CIM10 | F01.230 | subcortical vascular dementia with other symptoms, predominantly depressive, mild | Non-standard |
| CIM10 | F01.231 | subcortical vascular dementia with other symptoms, predominantly depressive, moderate | Non-standard |
| CIM10 | F01.232 | subcortical vascular dementia with other symptoms, predominantly depressive, severe | Non-standard |
| CIM10 | F01.33 | mixed vascular dementia, cortical and subcortical, with other symptoms, predominantly depressive | Non-standard |
| CIM10 | F01.330 | mixed vascular dementia, cortical and subcortical, with other symptoms, predominantly depressive, mild | Non-standard |
| CIM10 | F01.331 | mixed vascular dementia, cortical and subcortical, with other symptoms, predominantly depressive, moderate | Non-standard |
| CIM10 | F01.332 | mixed vascular dementia, cortical and subcortical, with other symptoms, predominantly depressive, severe | Non-standard |
| CIM10 | F02.03 | Dementia in Pick's disease, with other symptoms, predominantly depressive | Non-standard |
| CIM10 | F02.030 | Dementia in Pick's disease, with other symptoms, predominantly depressive, mild | Non-standard |
| CIM10 | F02.031 | Dementia in Pick's disease, with other symptoms, predominantly depressive, moderate | Non-standard |
| CIM10 | F02.032 | Dementia in Pick's disease, with other symptoms, predominantly depressive, severe | Non-standard |
| CIM10 | F02.13 | Dementia in Creutzfeldt-Jakob disease, with other symptoms, predominantly depressive | Non-standard |
| CIM10 | F02.130 | Dementia in Creutzfeldt-Jakob disease, with other symptoms, predominantly depressive, mild | Non-standard |
| CIM10 | F02.131 | Dementia in Creutzfeldt-Jakob disease, with other symptoms, predominantly depressive, moderate | Non-standard |
| CIM10 | F02.132 | Dementia in Creutzfeldt-Jakob disease, with other symptoms, predominantly depressive, severe | Non-standard |
| CIM10 | F02.23 | Dementia in Huntington's disease, with other symptoms, predominantly depressive | Non-standard |
| CIM10 | F02.230 | Dementia in Huntington's disease, with other symptoms, predominantly depressive, mild | Non-standard |
| CIM10 | F02.231 | Dementia in Huntington's disease, with other symptoms, predominantly depressive, moderate | Non-standard |
| CIM10 | F02.232 | Dementia in Huntington's disease, with other symptoms, predominantly depressive, severe | Non-standard |
| CIM10 | F02.33 | Dementia in Parkinson's disease, with other symptoms, predominantly depressive | Non-standard |
| CIM10 | F02.330 | Dementia in Parkinson's disease, with other symptoms, predominantly depressive, mild | Non-standard |
| CIM10 | F02.331 | Dementia in Parkinson's disease, with other symptoms, predominantly depressive, moderate | Non-standard |
| CIM10 | F02.332 | Dementia in Parkinson's disease, with other symptoms, predominantly depressive, severe | Non-standard |
| CIM10 | F02.43 | Dementia disease due to HIV [HIV], with other symptoms, predominantly depressive | Non-standard |
| CIM10 | F02.430 | Dementia disease due to HIV [HIV], with other symptoms, predominantly depressive, mild | Non-standard |
| CIM10 | F02.431 | Dementia disease due to HIV [HIV], with other symptoms, predominantly depressive, moderate | Non-standard |
| CIM10 | F02.432 | Dementia disease due to HIV [HIV], with other symptoms, predominantly depressive, severe | Non-standard |
| CIM10 | F02.83 | Dementia in other diseases classified elsewhere, with other symptoms, predominantly depressive | Non-standard |
| CIM10 | F02.830 | Dementia in other diseases classified elsewhere, with other symptoms, predominantly depressive, mild | Non-standard |
| CIM10 | F02.831 | Dementia in other diseases classified elsewhere, with other symptoms, predominantly depressive, moderate | Non-standard |
| CIM10 | F02.832 | Dementia in other diseases classified elsewhere, with other symptoms, predominantly depressive, severe | Non-standard |
| CIM10 | F32.8 | Other depressive episodes | Non-standard |
| CO-CONNECT | CC-COVID-031 | POST COVID DEPRESSION | Non-standard |
| HPO | HP_0000716 | Depression | Non-standard |
| ICD10 | F32.8 | Other depressive episodes | Non-standard |
| ICD10CM | F02.83 | Dementia in other diseases classified elsewhere, unspecified severity, with mood disturbance | Non-standard |
| ICD10CM | F32.8 | Other depressive episodes | Non-standard |
| ICD10CM | F32.89 | Other specified depressive episodes | Non-standard |
| ICD10CM | F32.A | Depression, unspecified | Non-standard |
| ICD10CN | F32.8 | Other depressive episodes | Non-standard |
| ICD10CN | F32.800 | Other depressive episodes | Non-standard |
| ICD10CN | F32.801 | Menopause depression (machine translation) | Non-standard |
| ICD10CN | F32.802 | Atypical depression (machine translation) | Non-standard |
| ICD10GM | F32.8 | Other depressive episodes | Non-standard |
| ICD9CM | 311 | Depressive disorder, not elsewhere classified | Non-standard |
| KCD7 | F32.8 | Other depressive episodes | Non-standard |
| KCD7 | U22.1 | Depressive syndrome(KM) | Non-standard |
| MeSH | D003863 | Depression | Non-standard |
| MeSH | D003866 | Depressive Disorder | Non-standard |
| Nebraska Lexicon | 35489007 | Mood disorder of depressed type | Non-standard |
| OXMIS | 3004A | DEPRESSION | Non-standard |
| Read | 2257.00 | O/E - depressed | Non-standard |
| Read | E11..12 | Depressive psychoses | Non-standard |
| Read | E2B..00 | Depressive disorder NEC | Non-standard |
| Read | Eu32.00 | [X]Depressive episode | Non-standard |
| Read | Eu32y00 | [X]Other depressive episodes | Non-standard |
| Read | Eu32z00 | [X]Depressive episode, unspecified | Non-standard |
| Read | Eu32z11 | [X]Depression NOS | Non-standard |
| Read | Eu32z12 | [X]Depressive disorder NOS | Non-standard |
| Read | Eu33z11 | [X]Monopolar depression NOS | Non-standard |
| SG COHORTS | DHLQ497_Op4_11_1 | Has a doctor ever told you that you have or had any of the following conditions? (Depression): 1 | Non-standard |
| UK Biobank | 6-1286 | depression | Non-standard |