Ill. Admin. Code tit. 89, 146, Subpart H A

Current through Register Vol. 48, No. 25, June 21, 2024
Table A - Guidelines for Determining Levels of Functioning

COGNITIVE ABILITY IQ SCORE

FUNCTIONAL ADAPTIVE BEHAVIORS

CONDITIONS

LEVEL OF FUNCTIONING

I.

Mild

Moderate

Severe/

Moderate or

Severe

Profound

Behavior

Based on Cognitive

Ability with

Specialized Service I, II, III, if applicable.

If a person's assessed adaptive behaviors are lower than the assessed cognitive ability because of behavior, then the overall functioning should be based upon the person's cognitive ability.

II.

Mild

Moderate

Severe/Profound

Moderate

Severe

Severe/Profound

Epilepsy

Autism

Cerebral Palsy

Based upon adaptive level. May also be eligible for specialized service.

If a person's assessed adaptive behavior is lower than the assessed cognitive ability because of a related condition (epilepsy, autism, cerebral palsy or a seizure disorder which is/are currently active and affect daily living), level of functioning should be based upon the person's adaptive functional behavior.

III.

Mild

Moderate

Severe/Profound

Moderate or

Severe

Severe or Profound

None

Based upon the cognitive ability.

If a person's assessed adaptive behavior is lower than the assessed cognitive ability, but not due to a related condition, then the overall level of functioning is based upon the cognitive ability.

IV.

Mild

Moderate

Severe/Profound

Mild

Mild

Moderate

None

Based upon adaptive functional behavior.

If a person's assessed adaptive behavior is higher than the assessed cognitive ability, then the overall level of functioning is based upon the adaptive behavior.

Ill. Admin. Code tit. 89, 146, Subpart H A

Added at 47 Ill. Reg. 18051, effective 11/21/2023