Differences between DSM-5-TR and ICD-11 revisions of attention deficit/hyperactivity disorder: A commentary on implications and opportunities

Table 1 Comparison of DSM-5-TR and ICD-11 diagnostic criteria for attention-deficit/hyperactivity disorder

	DSM-5-TR	ICD-11
Name	ADHD	ADHD
Onset	Some symptoms present before 12 yr	Some symptoms present before 12 yr
Symptoms	9 IA symptoms	11 or 9 IA symptoms
	9 HY/IM symptoms	11 or 10 HY/IM symptoms
Presentation types/symptom criteria for children	(1) ADHD combined: At least 6 IA and 6 HY/IM symptoms; (2) ADHD predominantly inattentive: At least 6 IA symptoms; and (3) ADHD predominantly hyperactive/impulsive: At least 6 HY/IM symptoms	(1) ADHD combined: IA and HY/IM symptoms present with neither predominating; (2) ADHD predominantly inattentive: IA symptoms predominating; and (3) ADHD predominantly hyperactive/impulsive: HY/IM symptoms predominating
Presentation types/symptom criteria for persons aged ≥ 17	(1) ADHD combined: At least 5 IA and 5 HY/IM symptoms; (2) ADHD predominantly inattentive: at least 5 IA symptoms; and (3) ADHD predominantly hyperactive/impulsive: At least 5 HY/IM symptoms
Settings	Present in at least 2 settings	Multiple settings–but symptoms may vary according to the structure and demands of the setting
Duration	≥ 6 mo	≥ 6 mo
Impairment	Social, academic, or occupational functioning	Social, academic, or occupational functioning–IA symptoms less evident in stimulating and rewarding activities and HY/IM during free-play

ADHD: Attention deficit hyperactivity disorder; IA: Inattention; HY: Hyperactivity; IM: Impulsivity.