To provide methods for judging levels of an antipsychotic agent, particularly, methods that can be performed in a prescribing clinician's office (where the treatment for an individual patient can be adjusted accordingly in a much more timely manner) and in other medical settings lacking LC or GC/MS or requiring rapid test results.SOLUTION: Disclosed is an antibody which binds to quetiapine usable in a method for detecting quetiapine in a sample, such as a competitive immunoassay method. The antibody can be used in a lateral flow assay device for point-of-care detection of quetiapine, including multiplex detection of aripiprazole, olanzapine, quetiapine, and risperidone in a single lateral flow assay device.SELECTED DRAWING: None
ANTIBODIES TO QUETIAPINE HAPTENS AND USES THEREOF