Table 1.

IDI codes used to identify NDDs.

	DSM-IV (PRIMHD)	ICD-10-AM (PRIMHD & NMDS)	Pharmaceuticals (PHARMS)	Assigned diagnoses (Socrates)
ADHD	314.00, 314.01, 314.9	F90.0, F90.8, F90.9	1389 (dexamphetamine), 1809 (methylphenidate), 3880 (methylphenidate extended-release), 3887 (atomoxetine)	1201 (ADHD)
ASD	299.00, 299.10, 299.80	F84.0, F84.1, F84.3, F84.5, F84.8, F84.9	n/a	1211 (ASD), 1206 (Asperger’s syndrome), 1207 (other ASD)
ID	317, 319, 318.0, 318.1, 318.2	F70–F79	n/a	1208 (intellectual disability), 1209 (learning disability), 1210 (developmental delay), 1299 (other intellectual, learning or developmental disorder)

DSM-IV: Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition; PRIMHD: Programme for the Integration of Mental Health Data; ICD-10-AM: The International Statistical Classification of Diseases and Related Health Problems, Tenth Revision, Australian Modification; NMDS: National Minimum Dataset; PHARMS: Pharmaceutical Collection; ADHD: attention deficit hyperactivity disorder; ASD: autism spectrum disorder; ID: intellectual disability.