Poisoning by fluoroquinolone antibiotics, undetermined, subs

This code signifies an adverse health effect resulting from fluoroquinolone antibiotic exposure where the intent of the poisoning (e.g., accidental, intentional self-harm) cannot be determined. The patient is receiving follow-up care for the sequelae of this poisoning event.

Apply this code when documentation indicates a patient is being treated for complications or lingering effects of fluoroquinolone antibiotic poisoning, and the medical record does not specify whether the poisoning was accidental, intentional, or due to assault. This is for encounters after the initial treatment of the acute poisoning.

• Always sequence this code after the primary diagnosis for the specific adverse effect or complication being treated.
• Ensure the documentation clearly states "undetermined" intent for the poisoning. If intent is known, a more specific T36.AX1-, T36.AX2-, or T36.AX3- code should be used.
• Confirm the encounter is for follow-up care, not the initial acute treatment, as indicated by the "D" seventh character.