Table 1 ASA physical status classification system
Classification | Physical status |
|---|---|
1 | A normal healthy patient. |
2 | A patient with mild systemic disease. |
3 | A patient with severe systemic disease. |
4 | A patient with severe systemic disease that is a constant threat to life. |
5 | A moribund patient who is not expected to survive without the operation. |
6 | A patient declared brain-dead whose organs  are being removed for donor purposes. |