Where used:
| Data Set | Improving Access to Psychological Therapies Data Set | references in description PHQ-9 TOTAL SCORE |
| Data Set | Mental Health Minimum Data Set (Version 4-1) | references in description PHQ-9 TOTAL SCORE |
| Data Element | PATIENT HEALTH QUESTIONNAIRE SCORE (retired) | references in description PHQ-9 TOTAL SCORE |
| Data Element | PHQ-9 TOTAL SCORE | references in description PHQ-9 TOTAL SCORE |