Lurasidone Pediatric Pharmacokinetics Study

Inclusion Criteria: * Subjects must provide written informed consent, if emancipated, written assent and be willing to participate in the study. Written informed consent from parent(s) or legal guardian(s) with sufficient intellectual capacity to understand the study and support subjects' adherence to the study procedures must be obtained for subjects who are not emancipated. * Male or female subjects 6 to 17 years of age, inclusive. Subject must be 17 years or less at the follow-up visit. * Subject is judged by the investigator to be clinically stable (ie, no psychiatric hospitalization within the past 12 weeks; no imminent risk of suicide or injury to self, others or property; no recent addition, or change in dosage, of psychotropic medication intended for the treatment of the primary psychiatric condition in the past 4 weeks) but symptomatic (ie, some active symptoms of the primary psychiatric condition are present for which an atypical antipsychotic agent is judged to be an acceptable treatment option). * Subjects with the following diagnoses will be eligible for participation: primary schizophrenia spectrum diagnosis (schizophrenia, schizoaffective, schizophreniform or psychotic disorder Not Otherwise Specified (NOS), bipolar spectrum disorder (bipolar I, II or bipolar NOS), pervasive developmental disorder (PDD) including autistic spectrum disorder (autistic disorder, Asperger's syndrome, or Pervasive Developmental Disorder-Not Otherwise Specified (PDD-NOS), attention-…