| Code | Description | Nederlands (Dutch) | Comment | Version |
| * | (asterisk) Life of the "unit." Used for blood products. | (asterisk) Leven van de "eenheid". Voor bloedproducten | | added v2.4 |
| * (star) | Life of the "unit." Used for blood products. | Leven van de "eenheid". Voor bloedproducten | Used for blood products. | added v2.3, removed after v2.3.1 |
| 12H | 12 hours | 12 uur | | added v2.3 |
| 1H | 1 hour | 1 uur | | added v2.3 |
| 1L | 1 months (30 days) | 1 maand (30 dagen) | | added v2.3 |
| 1W | 1 week | 1 week | | added v2.3 |
| 2.5H | 2½ hours | 2 1/2 uur | | added v2.3 |
| 24H | 24 hours | 24 uur | | added v2.3 |
| 2D | 2 days | 2 dagen | | added v2.3 |
| 2H | 2 hours | 2 uur | | added v2.3 |
| 2L | 2 months | 2 maanden | | added v2.3 |
| 2W | 2 weeks | 2 weken | | added v2.3 |
| 30M | 30 minutes | 30 minuten | | added v2.3 |
| 3D | 3 days | 3 dagen | | added v2.3 |
| 3H | 3 hours | 3 uur | | added v2.3 |
| 3L | 3 months | 3 maanden | | added v2.3 |
| 3W | 3 weeks | 3 weken | | added v2.3 |
| 4D | 4 days | 4 dagen | | added v2.3 |
| 4H | 4 hours | 4 uur | | added v2.3 |
| 4W | 4 weeks | 4 weken | | added v2.3 |
| 5D | 5 days | 5 dagen | | added v2.3 |
| 5H | 5 hours | 4 uur | | added v2.3 |
| 6D | 6 days | 6 dagen | | added v2.3 |
| 6H | 6 hours | 6 uur | | added v2.3 |
| 7H | 7 hours | 7 uur | | added v2.3 |
| 8H | 8 hours | 8 uur | | added v2.3 |
| PT | To identify measures at a point in time. This is a synonym for "spot" or "random" as applied to urine measurements. | Voor identificatie metingen op een moment in de tijd. Dit is een een synoniem voor "punt" or "willekeurig" zoals toegepast in urinemetingen. | This is a synonym for "spot" or "random" as applied to ine measurements. | added v2.3 |