ICD-9-CM 333.92 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 333.92 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
A life-threatening condition that may be caused by certain drugs used to treat mental illness, nausea, or vomiting. Symptoms include high fever, sweating, unstable blood pressure, confusion, and stiffness
A potentially fatal syndrome associated primarily with the use of neuroleptic agents (see antipsychotic agents) which are in turn associated with dopaminergic receptor blockade (see receptors, dopamine) in the basal ganglia and hypothalamus, and sympathetic dysregulation. Clinical features include diffuse muscle rigidity; tremor; high fever; diaphoresis; labile blood pressure; cognitive dysfunction; and autonomic disturbances. Serum cpk level elevation and a leukocytosis may also be present. (from Adams et al., Principles of Neurology, 6th ed, p1199; psychiatr serv 1998 sep;49(9):1163-72)
A rare, life-threatening disorder that is caused by neuroleptic medications. It is characterized by fever, muscular cramps and rigidity, autonomic nervous system dysfunction, and changes in the mental status that may lead to coma
2015 ICD-9-CM Diagnosis Code 333.92 
neuroleptic malignant 333.92
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