Where used:
| Attribute | MEASURED PERSON OBSERVATION TYPE CODE | references in description FEV1 Absolute Amount |
| Class | MEASURED PERSON OBSERVATION | references in description FEV1 Absolute Amount |
| Supporting Information | FEV1 Absolute Amount | references in description FEV1 Absolute Amount |
| Supporting Information | Lung Capacity | references in description FEV1 Absolute Amount |