Poisn by unsp antieplptc and sed-hypntc drugs, assault, init

This code signifies an intentional act of harm involving an overdose or adverse reaction to an unspecified antiepileptic or sedative-hypnotic medication. The patient is experiencing the initial effects of this poisoning, which was inflicted by another person.

Apply this code when documentation clearly indicates poisoning by an antiepileptic or sedative-hypnotic drug, the specific drug is not identified, and the intent is assault. This is used for the initial encounter when the patient is actively being treated for the acute effects of the poisoning.

• Always sequence this code first, followed by codes for specific manifestations of the poisoning.
• Ensure documentation explicitly states "assault" or "intentional poisoning by another" to justify the 7th character 'A'.
• If the specific drug is known, a more precise code from the T42 category should be used instead.