Where used:
| Data Element | CANCER SYMPTOMS FIRST NOTED DATE | references in description YEAR AND MONTH |
| Data Element | YEAR AND MONTH | references in description YEAR AND MONTH |
| Data Element | YEAR AND MONTH FIRST STARTED ANTIRETROVIRAL THERAPY | references in description YEAR AND MONTH |
| Data Element | YEAR AND MONTH OF LAST NEGATIVE HIV TEST IN UNITED KINGDOM | references in description YEAR AND MONTH |
| Data Element | YEAR AND MONTH OF SYMPTOMS ONSET (IMPROVING ACCESS TO PSYCHOLOGICAL THERAPIES) | references in description YEAR AND MONTH |