The extent of atelectasis (collapse of part or all of a lung) / obstructive pneumonitis (irreversible inflammation of the lung).
National Codes:
| 1 | None or less than the two other categories |
| 2 | Involving hilar region but not whole lung |
| 3 | Involving whole lung |
This attribute is also known by these names:
| Context | Alias |
|---|---|
| plural | EXTENTS OF ATELECTASIS |