Poisoning by pyrazolone derivatives, assault, sequela

This code signifies a long-term health problem or complication resulting from an intentional act of poisoning with pyrazolone derivatives, where the poisoning was inflicted by another person. It indicates that the acute phase of the poisoning has passed, and the patient is now experiencing residual effects.

Apply this code when documenting a chronic condition or lasting injury directly attributable to a past assault involving pyrazolone derivatives. This would be used in follow-up encounters for conditions like persistent organ damage, neurological deficits, or chronic pain syndromes that developed as a consequence of the poisoning.

• Always sequence this code after the code(s) for the specific sequela being treated.
• Ensure documentation clearly links the current condition to the past pyrazolone poisoning and specifies the assault intent.
• Do not use for acute poisoning events; those require acute poisoning codes.