2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > Personality Disorders 301.* > 2008 ICD-9-CM Diagnosis 301.9 Unspecified personality disorder  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 301.9 can be accessed here. A major deviation from normal patterns of behavior. A personality disorder whose essential feature is a pervasive pattern of disregard for, and violation of, the rights of others that begins in childhood or early adolescence and continues into adulthood. The individual must be at least age 18 and must have a history of some symptoms of CONDUCT DISORDER before age 15. (From DSM-IV, 1994) 301.9 is a specific code that can be used to specify a diagnosis 301.9 contains 24 index entries View the ICD-9-CM Volume 1 301.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 301.9 also known as: Pathological personality NOS Personality disorder NOS Psychopathic: constitutional state personality (disorder) Index entries containing 301.9: Abnormal, abnormality, abnormalities - see also Anomaly excitability under minor stress 301.9 Complex inferiority 301.9 Constitutional - see also condition psychopathic state 301.9 Disorder - see also Disease character NEC (see also Disorder, personality) 301.9 personality 301.9 affective 301.10 aggressive 301.3 amoral 301.7 anancastic, anankastic 301.4 antisocial 301.7 asocial 301.7 asthenic 301.6 avoidant 301.82 borderline 301.83 compulsive 301.4 cyclothymic 301.13 dependent-passive 301.6 dyssocial 301.7 emotional instability 301.59 epileptoid 301.3 explosive 301.3 following organic brain damage 310.1 histrionic 301.50 hyperthymic 301.11 hypomanic (chronic) 301.11 hypothymic 301.12 hysterical 301.50 immature 301.89 inadequate 301.6 introverted 301.21 labile 301.59 moral deficiency 301.7 narcissistic 301.81 obsessional 301.4 obsessive-compulsive 301.4 overconscientious 301.4 paranoid 301.0 passive (-dependent) 301.6 passive-aggressive 301.84 pathological NEC 301.9 pseudosocial 301.7 psychopathic 301.9 schizoid 301.20 introverted 301.21 schizotypal 301.22 schizotypal 301.22 seductive 301.59 type A 301.4 unstable 301.59 Disturbance - see also Disease personality (pattern) (trait) (see also Disorder, personality) 301.9 following organic brain damage 310.1 Inferiority complex 301.9 constitutional psychopathic 301.9 Pathologic, pathological - see also condition personality 301.9 Personality disorder, disturbance NEC 301.9 with antisocial disturbance 301.7 pattern disturbance NEC 301.9 sociopathic disturbance 301.7 trait disturbance 301.9 pathologic NEC 301.9 pattern defect or disturbance 301.9 psychopathic 301.9 with amoral trend 301.7 antisocial trend 301.7 asocial trend 301.7 pathologic sexuality (see also Deviation, sexual) 302.9 mixed types 301.9 Problem (with) V49.9 personality (see also Disorder, personality) 301.9 Psychopathic - see also condition personality 301.9 amoral trends 301.7 antisocial trends 301.7 asocial trends 301.7 mixed types 301.7 state 301.9 Reaction personality (see also Disorder, personality) 301.9 State constitutional psychopathic 301.9 Witzelsucht 301.9