1

Normal

Age-appropriate level of functioning

In preschool-aged children, appropriate development

In school-aged children, attendance in regular classes

2

Mild disability

Can interact at an age-appropriate level

Minor neurologic disease that is controlled and does not interfere with daily functioning (eg, seizure disorder)

In preschool-aged children, possibly minor developmental delays, but with > 75% of all daily living developmental milestones above the 10th percentile

In school-aged children, attendance in regular school but in a grade that is not appropriate for age or in the appropriate grade but failing because of cognitive difficulties

3

Moderate disability

Below age-appropriate functioning

Neurologic disease that is not controlled and severely limits activities

In preschool-aged children, most daily living developmental milestones below the 10th percentile

In school-aged children, can do ADLs but attend special classes because of cognitive difficulties or a learning deficit

4

Severe disability

In preschool-aged children, ADLs milestones below the 10th percentile and excessive dependence on others for activities of daily living

In school-aged children, possibly severe impairment that prevents school attendance and dependence on others for ADLs

In preschool-aged and school-aged children, possibly abnormal motor movements, including nonpurposeful, decorticate, or decerebrate responses to pain

5

Coma or vegetative state

Unawareness

6

Death

―