Table 2.

American Society of Anesthesiologists physical status classification

Physical status	Description
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 declared brain-dead patient whose organs are being removed for donor purposes

(Reprinted with permission from the American Society of Anesthesiologists. ASA physical status classification system. Available at http://www.asahq.org/clinical/physicalstatus.htm. Accessed November 11, 2013.)