Appendix 1.

ICD-9-CM Codes Used to Define Mental Disorder Groups, CPT Codes Used to Define Psychosocial Services, and Specialty Codes Used to Define Physician Specialty Groups

Mental disorder group	ICD-9-CM codes
Any mental disorder	290–319
ADHD	314.xx
Disruptive behavior disorders	312.0x, 312.1x, 312.2x, 312.3x, 312.4x, 312.81, 312.82, 312.89, 312.9x, 313.81
Mood disorders	296.0x,296.1x, 296.2x, 296.3x, 296.4x, 296.5x, 296.6x, 296.7x, 296.8x, 298.0x, 301.13, 300.4x, 311.xx
Anxiety disorders	300.0x, 300.2x, 309.21, 309.81, 308.3x, 293.84
Other mental disorders	290–319, not defined above.
Service	CPT codes
Psychosocial services	90810–90815, 90823–29, 90832, 90834, 90833, 90836, 90837, 90838, 90839, 90840, 90845–90847, 90849, 90853, 90857
Physician specialties	Specialty codes
Child and adolescent psychiatrists	Child Psychiatry, Pediatrics/Psychiatry/Child Psychiatry
Psychiatrists	Addiction Psychiatry, Child Psychiatry, Geriatric Psychiatry, Family Practice, Psychiatry, Forensic Psychiatry, Internal Medicine/Psychiatry, Psychiatry/Neurology, Psychoanalysis, Pain medicine (Psychiatry), Pediatrics/Psychiatry/Child Psychiatry, Neurodevelopmental Disabilities/Psychiatry
Pediatricians	Adolescent Medicine, Pediatrics, Internal Medicine/Pediatrics, Pediatrics/Emergency Medicine, Child Abuse Pediatrics, Developmental-Behavioral Pediatrics, Neurodevelopmental Disabilities/Pediatrics
Nonpediatric primary care providers	Family Medicine, Family Practice, Family Practice, Geriatric, General Practice, Internal Medicine/Family Practice, Internal Medicine, Internal Medicine/Emergency Medicine, Internal Medicine/Preventative Medicine, Public Health and General Preventative Medicine, Physician Assistant, Nurse Practitioner, Obstetrics and Gynecology, Obstetrics

ADHD, attention-deficit/hyperactivity disorder.