Poisoning by oth antipsychot/neurolept, assault, init

This code signifies an intentional act of harm where an individual is poisoned by another person using an antipsychotic or neuroleptic medication. The poisoning is the result of an assault, and this specific code is used for the initial phase of treatment for the acute effects of this poisoning.

Apply this code when a patient presents with symptoms of poisoning due to an antipsychotic or neuroleptic drug, and the medical record clearly documents that the exposure was non-accidental and inflicted by another party. This code is appropriate for the initial hospital visit or emergency department encounter for the acute management of the poisoning.

• Always assign an external cause code (e.g., Y09.-) to further specify the circumstances of the assault.
• Ensure documentation explicitly states "assault" or "intentional poisoning by another" to support the 7th character "A" for initial encounter.
• Do not use this code for accidental ingestions or self-harm; those scenarios require different poisoning codes and 7th characters.