Poisn by cephalospor/oth beta-lactm antibiot, slf-hrm, init

This code signifies a patient presenting with adverse effects resulting from the deliberate ingestion or administration of cephalosporin or other beta-lactam antibiotics with the intent to harm themselves. The patient is in the initial phase of treatment for this poisoning event.

Apply this code when documentation clearly indicates an overdose or toxic reaction to antibiotics like penicillin, amoxicillin, or cephalexin, and the patient explicitly states or clinical evidence strongly suggests the act was self-inflicted. This is appropriate for the initial hospital visit or emergency department encounter for this specific poisoning.

• Ensure documentation specifies "intentional self-harm" and the type of antibiotic involved (cephalosporin or other beta-lactam).
• This "A" suffix indicates an initial encounter; subsequent care for this poisoning would require a different seventh character.
• Always code any associated manifestations of the poisoning (e.g., nausea, rash, organ damage) in addition to this code.