Term: Psychosis / Psychoses

Glossary Definition

Last Updated: 2011-01-26

Definition:

Medical condition involving a loss of contact with reality, often with symptoms such as hallucinations (sensing things that are not present or do not exist) or delusions (fixed false beliefs in events or facts). Psychosis is defined as any claim for a psychotic (ICD-9-CM: 295-299, ICD-10-CA: F2, F3, F84, R410 in any diagnosis field for physician or hospital claims in one year prior to the prescription of interest) (Daumit et al., 2003).

Related terms 

• Dementia

References 

• Daumit GL, Crum RM, Guallar E, Powe NR, Primm AB, Steinwachs DM, Ford DE. Outpatient prescriptions for atypical antipsychotics for African Americans, Hispanics, and whites in the United States. Archives of General Psychiatry 2003;60(2):121-128.(View)

Term used in 

• Raymond C, Metge C, Alessi-Severini S, Dahl M, Schultz J, Guenette W. Pharmaceutical Use in Manitoba: Opportunities to Optimize Use. Winnipeg, MB: Manitoba Centre for Health Policy, 2010. [Report] [Summary] (View)