Poisoning by MAO inhib antidepressants, assault, sequela

This code signifies the long-term effects or complications arising from a deliberate poisoning by monoamine oxidase inhibitor (MAOI) antidepressants. These sequelae are the residual conditions that persist after the acute phase of the poisoning has resolved. Examples might include persistent neurological deficits, organ damage, or psychiatric conditions directly attributable to the MAOI overdose.

This code is appropriate when documenting a patient presenting with a chronic or residual condition that is a direct consequence of a past MAOI antidepressant poisoning, where the poisoning was determined to be an assault. It should be used for follow-up encounters after the initial acute poisoning event has been treated. Do not use this code for the initial acute poisoning episode.

• Always sequence this sequela code after the code(s) for the specific residual condition(s) being treated.
• Ensure documentation clearly links the current condition to the past MAOI poisoning and specifies the intent as assault.
• Verify that the patient's medical record explicitly states the poisoning was due to an MAOI antidepressant.