Poisoning by inhaled anesthetics, undetermined, subs encntr

This code signifies an adverse event resulting from exposure to an inhaled anesthetic, where the intent of the poisoning (e.g., accidental, intentional self-harm, assault) cannot be determined. It is used when the patient is receiving follow-up care for the effects of this poisoning after the initial treatment.

Apply this code for patients presenting for ongoing management of complications or sequelae from an inhaled anesthetic poisoning, when the circumstances surrounding the exposure remain unclear. This would include follow-up appointments for organ damage, neurological deficits, or other persistent issues stemming from the undetermined poisoning.

• Requires an additional code to specify the specific inhaled anesthetic involved, if known.
• Distinguish from initial encounters (A) or sequela encounters (S) based on the patient's current phase of care.
• Ensure documentation clearly supports the "undetermined" intent and the subsequent nature of the encounter.