Poisoning by oth antiprotozoal drugs, accidental, subs

This code indicates an accidental overdose or adverse reaction to antiprotozoal medications other than those specifically classified elsewhere, occurring during a follow-up visit. It signifies that the patient is receiving ongoing care for the effects of an unintentional poisoning by these drugs.

Apply this code when a patient presents for continued management, monitoring, or treatment of complications arising from an accidental ingestion or improper administration of antiprotozoal drugs (e.g., metronidazole, tinidazole, or other unlisted antiprotozoals). This would include scenarios such as follow-up appointments after initial emergency treatment, or ongoing outpatient care for persistent symptoms.

• Ensure the poisoning was accidental (unintentional) and not intentional self-harm or assault.
• Confirm this is a subsequent encounter, meaning the patient is receiving care after the initial acute phase.
• Verify the specific antiprotozoal drug involved is not classified under a more specific T37 subcategory.