Criteria: Table 13-1 Neurological Impairments That Are Combined With the Most Severe Impairment (308), Table 13-2 Criteria for Rating Impairment of Consciousness and Awareness (309), Table 13-3 Criteria for Rating Impairment Due to Episodic Loss of Consciousness and Awareness (312), Table 13-4 Criteria for Rating Impairment Due to Sleep and Arousal Disorders (317), Table 13-5 Clinical Dementia Rating (CDR) (320), Table 13-6 Criteria for Rating Impairment Related to Mental Status (320),Table 13-7 Criteria for Rating Impairment Due to Aphasia or Dysphasia (323), Table 13-8 Criteria for Rating Impairment Due to Emotional or Behavioral Disorders (325).
Guidance: Impairment from head injury was rated using Section 13.2 Criteria for Rating Impairment Due to Central Nervous System Disorders (308), and Section 13.3 Criteria for Rating Cerebral Impairments (309). The Guides indicates that one should first determine whether a disturbance is present in the level of consciousness or awareness; this is not applicable in this case. The evaluator then assesses (2) mental status and highest integrative functioning, (3) understanding and use of language, and (4) any emotional or behavioral disturbance. The most severe cerebral impairment is identified and combined with other neurological impairments identified in Table 13-1 Neurological Impairments That Are Combined With the Most Severe Impairment (308).
