Poisoning by diagnostic agents, assault, sequela

This code indicates a long-term consequence or complication resulting from a poisoning by a diagnostic agent, such as a contrast dye or other substance used for medical imaging or testing, where the poisoning was intentionally inflicted by another person. It signifies that the acute phase of the poisoning has passed, and the patient is now experiencing residual effects.

Use this code when documenting a patient presenting with a chronic condition or permanent injury directly attributable to a past assault involving a diagnostic agent. This applies to follow-up visits where the sequelae are being managed, rather than the initial acute poisoning event.

• Always sequence this sequela code after the code(s) for the specific sequela (e.g., chronic kidney disease, neurological damage).
• Do not use this code for the initial acute poisoning; instead, use the appropriate acute poisoning code with the 7th character "A" for initial encounter.
• Ensure documentation clearly links the current condition to the past assault by a diagnostic agent.