According to ASA a patient with an incapacitating systemic disease that is constant threat to life falls under:

# According to ASA a patient with an incapacitating systemic disease that is constant threat to life falls under: 

A. ASA I 

B. ASA II

C. ASA III

D. ASA IV

The correct answer is D. ASA IV

American Society of Anesthesiologists (ASA) physical status classification system.

ASA I : A normal healthy person

ASA II : A patient with a mild disease

ASA III : A patient with a severe systemic disease

ASA IV : A patient with a severe systemic disease that is a constant threat to life

ASA VI : A declared brain‐dead patient whose organs are being removed for donor purposes