Variable's CODE LIST: PH051_F (1712,0) Anno: 2021
| Code | Description | Upper Code | Notes |
| 1 | Filled | ||
| -1 | Missing | ||
| -2 | Not applicable (the person did not really need any medical examination or treatment (PH040 not equal to 1)) | ||
| -3 | Not applicable (Non-selected respondent (RB245 equal to 3)) | ||
| -7 | Not applicable (PB010 < 2021) | ||
| -8 | Not applicable (variable not collected) |