The National Committee on Aeronautics (NACA) Score System

Patient Status

Score Level

not acute life-threatening disease or injury

1

acute intervention not necessary; further diagnostic studies needed

2

severe but not life threatening disease or injury; acute intervention necessary

3

development of vital (life threatening) danger possible

4

acute vital (life threatening) danger

5

acute cardiac or respiratory arrest

6

dead

7

Patient Status

Intervention

Score Level

not acute life-threatening disease or injury

acute intervention not necessary

1

further diagnostic studies needed

acute intervention not necessary

2

severe but not life threatening disease or injury

acute intervention necessary

3

development of vital danger possible

acute intervention necessary

4

acute vital (life threatening) danger

acute intervention necessary

5

acute cardiac or respiratory arrest

emergency resuscitation

6

dead

7