| Format/Length: | annnnnnnn |
| HES Item: | SOAL |
| National Codes: | |
| Default Codes: | Z99999999 - Scotland, Northern Ireland, Channel Islands, Isle of Man |
| X99999998 - Not Applicable (outside the United Kingdom) | |
| X99999999 - Not Known |
Notes:
LOWER LAYER SUPER OUTPUT AREA (RESIDENCE) is the Lower Layer Super Output Area for where the PATIENT is resident.