ASA 1: Completely healthy
ASA 2: Controlled mild systemic disease
ASA 3: Uncontrolled severe systemic disease
ASA 4: Constant threat to life
ASA 5: Moribund patients
ASA 6: Brain dead
Some important examples
Smoker: ASA 2
Alcohol:
- Social drinker: ASA 2
- Alcohol dependence or abuse: ASA 3
Pregnancy: ASA 2
Obesity:
- BMI 30-40: ASA 2
- BMI >40: ASA 3
MI, CVA, TIA, CAD/stents:
- >3 months: ASA 3
- <3 months: ASA 4
Diabetes, Hypertension:
- Controlled: ASA 2
- Uncontrolled: ASA 3
Lung disease:
- Mild: ASA 2
- COPD: ASA 3
Further reading: http://www.kpcolorado.net/sites/default/files/files/KASC_2-04A_ASA_Classification_made_easy.pdf
