Poisoning by chloramphenicol group, undetermined, init

This code signifies an adverse health effect resulting from exposure to a chloramphenicol-based antibiotic, where the intent of the exposure (e.g., accidental, intentional self-harm, assault) cannot be determined. The patient is presenting for the initial treatment of these symptoms.

Apply this code when a patient presents with signs and symptoms of chloramphenicol poisoning, and the medical record does not clearly indicate whether the exposure was accidental, intentional, or due to an assault. This is appropriate for the very first encounter for this specific poisoning event.

• Ensure documentation explicitly states "undetermined" intent for the poisoning.
• Always assign an additional code for the specific manifestation(s) of the poisoning.
• Do not use this code for adverse effects of properly administered chloramphenicol; use codes from the T43.3X- category for those scenarios.