Poisoning by unsp systemic antibiotic, undetermined, init

This code signifies a patient presenting with adverse effects from an unknown systemic antibiotic, where the intent (accidental, intentional self-harm, assault) cannot be determined. The patient is in the acute phase of treatment for this poisoning event.

Apply this code when a patient experiences poisoning symptoms due to an antibiotic, but the specific type of antibiotic is not documented, and the circumstances surrounding the exposure are unclear. This code is appropriate for the initial encounter for treatment of the poisoning.

• Ensure documentation clearly states "undetermined" intent for the poisoning.
• Only use for the initial encounter for active treatment of the poisoning. Subsequent encounters would use a different seventh character.
• Requires an additional code for the specific manifestation of the poisoning, if known.