Testamentary capacity of the schizophrenic patient.

Testamentary capacity refers to an individual's capability to write his or her own will. Psychiatrists are required occasionally to give expert opinions regarding the testamentary capacity of individuals with a medical history or suspected diagnosis of a mental illness. This may stem from the patient/lawyer/ family initiative to explore the current capacity to testate in anticipation of a possible challenge, or may be sought when testamentary capacity of a deceased has been challenged. In this article we examine the medico-legal construct of testamentary capacity of the schizophrenic patient, and discuss the various clinical situations specific to schizophrenic patients, highlighting their impact on the medical opinion regarding testamentary capacity through examining the rulings of Israel's Supreme Court in a specific case where the testamentary capacity of a mentally ill individual who was challenged postmortem, and provide a workable framework for the physician to evaluate the capacity of a schizophrenic patient to write a will..