. 2019 Jan 2;12(6):165–169. doi: 10.1002/cld.762

Table 3.

ASA Classification

Class	Description
I	Patient is normal and healthy.
II	Patient has mild systemic disease that does not limit activities (e.g., controlled hypertension or controlled diabetes without systemic sequelae).
III	Patient has moderate or severe systemic disease that does not limit the activities (e.g., stable angina or diabetes with systemic sequelae).
IV	Patient has severe systemic disease that is a constant threat to life (e.g., severe congestive heart failure, end‐stage renal failure).
V	Patient is morbid and at a substantial risk for death within 24 hours (with or without a procedure).
E	Emergency status: In addition to indicating the underlying ASA status (1‐5), any patient undergoing an emergency procedure is indicated by suffix “E.”