Poisoning by phenothiaz antipsychot/neurolept, acc, init

This code signifies an accidental overdose or adverse reaction to phenothiazine antipsychotics or neuroleptics, occurring unintentionally. It indicates the patient is in the initial phase of treatment for this poisoning event. Phenothiazines are a class of medications primarily used to treat psychotic disorders.

Apply this code when a patient presents to the emergency department or clinic with symptoms of poisoning due to an accidental ingestion or misadministration of a phenothiazine-based medication. This includes situations where a patient mistakenly takes too much of their prescribed medication or ingests it unintentionally. It is appropriate for the first encounter related to this specific poisoning episode.

• Always confirm the intent was accidental (unintentional) and not self-harm or assault.
• Ensure the medication involved is specifically a phenothiazine antipsychotic or neuroleptic.
• This "A" seventh character indicates the initial encounter for this specific poisoning event. Subsequent care would use different seventh characters.