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Table 2 Attributable diagnostic hierarchy for type of diagnosis when more than one diagnosis occurred temporally with AP use

From: Prescribing trends of antipsychotics in youth receiving income assistance: results from a retrospective population database study

Level Category ICD-9 codes ICD-10 codes
1 Psychotic disorders (non-affective), organic psychoses 291.3, 295 and 297, 298, 293.0, 293.1, 293.81, 293.82, 293.83 F20-29, F06, F09
2 Bipolar 296.0, 296.1, 296.4, 296.5, 296.6, 296.7, 296.8, 296.9 F30, F31, F34.0, F38.0
3 Pervasive Developmental Disorders/Mental Retardation 299, 317-319 F70-F79, F84, F89
4 Tics 307.2 F95
5 Other disruptive disorders (oppositional defiant disorder, conduct disorder, impulse control disorders, personality disorders) 301, 312, 313 F60 - F62, F63, F68, F91, F92
6 Attention deficit hyperactivity disorder 314 F90, F98.8
7 Depression (major depressive disorder) 296.2X* - 296.3X*, 300.4, 311 F32, F33, F34.1, F38.1, F39
8 Anxiety disorders (neuroses), adjustment disorders, sleep disorders 300, 307.4, 308, 309, 310, 780.5 F40-F42, F43, F44-F48, F51, F93.1-93.9, F07
9 Eating disorders 307.1, 307.51, 307.5 F50
10 Other (sexual disorders, alcohol & substance abuse/dependence, learning disabilities) 302, 303-305, 315 F10-F19, F65, F66, F06, F07, F80, F81, F82, F83
  1. * “X” included in the code instructed the data analyst to include any number that followed the preceding digit.