Table 1.

Progression of diagnostic criteria for ADHD since 1980

Version	Year	Features and unique criteria
DSM-III	1980	Attention Deficit Disorder, with Hyperactivity
		Attention Deficit Disorder, without Hyperactivity
DSM-III-R	1987	Attention-Deficit Hyperactivity Disorder (ADHD)
		Undifferentiated ADHD (replaced ADD without Hyperactivity from DSM-III)
ICD-10 (European Description)	1992	F90: Hyperkinetic Disorders. Requires impaired attention, hyperactivity, early onset (before age 6 years), and long duration. Anxiety and mood disorders and ASD must be excluded.
		F90.0: Disturbance of Activity and Attention. Includes ADHD without hyperactivity, and ADHD with associated features (learning, motor, ASD).
		F90.1: Hyperkinetic Conduct Disorder. Used when criteria for ADHD and Conduct Disorder are met.
		F90.8: Other Hyperkinetic Disorders
		F90.9 Hyperkinetic Disorders, Unspecified
DSM-IV	1994	Attention-Deficit/Hyperactivity Disorder (ADHD) with three subtypes:
		ADHD, Predominantly Hyperactive/Impulsive Type
		ADHD, Predominantly Inattentive Type
		ADHD, Combined Type
		ADHD, Not Otherwise Specified
DSM-IV-TR	2000	No substantial changes to primary diagnoses and subtypes
		ADHD, Not Otherwise Specified allowed for onset >age 7 and described symptoms of Sluggish Cognitive Tempo
DSM-5	2013	ADHD with 3 “presentations”
		Required “presence of”, rather than “impairment by” symptoms
		Increased age of onset to <12 years
		Included symptom criteria for adult diagnosis
ICD-10-CM	2017	F90: Attention-deficit/Hyperactivity Disorders. Symptoms must be present before age 7 years. Includes F90.0 (Inattentive Type), F90.1 (Hyperactive Type), F90.2 (Combined Type), F90.8 (Other type), F90.9 (Unspecified Type).

Note. DSM = Diagnostic and Statistical Manual for Mental Disorders; ICD = International Classification of Diseases