Event
| Classification | Definition | Adult Examples, Including, but not Limited to: |
| ASA I | A normal healthy patient | Healthy, non-smoking, no or minimal alcohol use |
| ASA II
|
A patient with mild systemic disease | Mild diseases only without substantive functional limitations. Examples include
(but not limited to): current smoker, social alcohol drinker, pregnancy, obesity (30<BMI<40), well- controlled DM/HTN, mild lung disease |
| ASA III
|
A patient with severe systemic disease | Substantive functional limitations;
One or more moderate to severe diseases.Examples include (but not limited to): poorly controlled DM or HTN, COPD,morbid obesity (BMI ≥40), active hepatitis, alcohol dependence or abuse,
implanted pacemaker, moderate reduction of ejection fraction, ESRD undergoing regularly scheduled dialysis, premature infant |
| PCA < 60 weeks, history (>3 months) of MI, CVA, TIA, or CAD/stents. | ||
| ASA IV | A patient with severe systemic disease that is a constant threat to life | Examples include (but not limited to): recent (<3 months) MI, CVA, TIA, or CAD/stents, ongoing cardiac ischemia or severe valve dysfunction, severe reduction of ejection fraction, sepsis, DIC, ARD or ESRD not undergoing regularly scheduled dialysis |
| ASA V | A moribund patient who is not expected to survive without the operation | Examples include (but not limited to): ruptured abdominal/thoracic aneurysm, massive trauma, intracranial bleed with mass effect, ischemic bowel in the face of significant cardiac pathology or multiple organ/system dysfunction |
| ASA VI | A declared brain-dead patient whose organs are being removed for donor purposes |