Where used:
| Attribute | GEOGRAPHIC AREA TYPE | references in description POSTCODE |
| Class | POSTCODE IN GEOGRAPHIC AREA | references in description POSTCODE |
| Data Element | ORGANISATION CODE (PCT OF TESTING SERVICE) | references in description POSTCODE |
| Data Element | POSTCODE | references in description POSTCODE |
| Supporting Information | Lower Layer Super Output Area | references in description POSTCODE |
| Supporting Information | Middle Layer Super Output Area | references in description POSTCODE |
| Supporting Information | Organisation Data Service | references in description POSTCODE |
| Supporting Information | Output Area | references in description POSTCODE |