Where used:
| Attribute | ACTIVITY DATE TYPE | references in description Observable Entity Date |
| Data Element | OBSERVATION DATE | references in description Observable Entity Date |
| Data Element | OBSERVATION DATE (HEAD CIRCUMFERENCE) | references in description Observable Entity Date |
| Data Element | OBSERVATION DATE (HEIGHT) | references in description Observable Entity Date |
| Data Element | OBSERVATION DATE (WEIGHT) | references in description Observable Entity Date |
| Data Element | OBSERVATION DATE AND TIME (TEMPERATURE) | references in description Observable Entity Date |
| Supporting Information | Observable Entity Date | references in description Observable Entity Date |