| Code | Description | Comment | Version |
| AC | before meal (from lat. ante cibus) | | added v2.5 |
| ACD | before lunch (from lat. ante cibus diurnus) | | added v2.5 |
| ACM | before breakfast (from lat. ante cibus matutinus) | | added v2.5 |
| ACV | before dinner (from lat. ante cibus vespertinus) | | added v2.5 |
| HS | the hour of sleep (e.g. H18-22) | | added v2.5 |
| IC | between meals (from lat. inter cibus) | | added v2.5 |
| ICD | between lunch and dinner | | added v2.5 |
| ICM | between breakfast and lunch | | added v2.5 |
| ICV | between dinner and the hour of sleep | | added v2.5 |
| PC | after meal (from lat. post cibus) | | added v2.5 |
| PCD | after lunch (from lat. post cibus diurnus) | | added v2.5 |
| PCM | after breakfast (from lat. post cibus matutinus) | | added v2.5 |
| PCV | after dinner (from lat. post cibus vespertinus) | | added v2.5 |