APPENDIX 1

ICD-9-CM Codes Used to Identify Behavioral Diagnoses

CategoryICD-9-CM codes
ADHD314, 314.0–314.9
Disruptive behavior disorders309.3, 312, 312.0–312.23, 312.3–312.35, 312.4–312.9, 313.81, 313.89
Pervasive developmental disorders299, 299.0–299.91
Sleep problems307.40–307.42, 307.45–307.49, 327, 327.0–327.19, 327.3–327.8, 780.50, 780.52, 780.54–780.56, 780.58–780.59
Anxiety disorders293.84, 300, 300.0–300.02, 300.09, 300.2, 300.20–300.23, 300.29, 300.3, 300.7, 308.0–308.9, 309.21, 309.24, 309.81, 312.39, 313.0, 313.21, 313.23
Mood disorders296, 296.0–296.99, 300.4, 301.13, 309.0, 311
Adjustment disorders309, 309.1–309.9 except for 309.21 and 309.81
Psychosis295, 295.0-295.95, 297, 297.0-297.9, 298, 298.0-298.9, 301.2-301.22
  • ICD-9-CM, International Classification of Diseases, Ninth Revision, Clinical Modification.