Poisn by antimalari/drugs acting on bld protzoa, undet, sqla

This code signifies a long-term or residual effect resulting from a past poisoning event involving antimalarial medications or other drugs targeting blood protozoa. The original poisoning's intent (accidental, intentional self-harm, assault) could not be determined at the time of the acute event. The patient is now presenting for treatment of these lasting complications.

Apply this code when documenting a patient encounter for a chronic condition or permanent injury directly attributable to a previous antimalarial or antiprotozoal drug poisoning, where the intent of the original poisoning was unknown. This code is appropriate for follow-up care of sequelae, not the acute poisoning event itself.

• Always sequence this code after the code(s) for the specific sequela being treated (e.g., neurological damage, organ failure).
• Ensure documentation clearly links the current condition to a past antimalarial/antiprotozoal poisoning with undetermined intent.
• Do not use this code for acute poisoning; instead, use the appropriate acute poisoning code with the 7th character "A" for initial encounter.