System to assess the fitness of patients before surgery
- Status 1: Healthy patient
- Status 2: Mild systemic disease
- Status 3: Severe systemic disease
- Status 4: Severe systemic disease that is a constant threat to life
- Status 5: A moribund patient who is not expected to survive without the operation
- Status 6: Declared brain-dead patient whose organs are being removed for donor purposes
In an emergency, the physical status classification is indicated with an E after for example “3E”