Adverse effect of macrolides, subsequent encounter

This code signifies an undesirable or harmful reaction experienced by a patient due to the therapeutic use of a macrolide antibiotic, such as azithromycin or erythromycin. The "subsequent encounter" indicates that the patient is receiving follow-up care for the adverse effect after the initial treatment of the reaction.

Use this code when a patient presents for ongoing management or monitoring of an adverse effect from a macrolide antibiotic. This includes scenarios where the patient is being evaluated for resolution of symptoms, adjustment of treatment for the adverse effect, or long-term complications. It is appropriate after the initial acute phase of managing the adverse reaction.

• Always sequence this code after the code(s) for the specific manifestation(s) of the adverse effect (e.g., rash, diarrhea).
• Do not use this code for poisoning, overdose, or underdosing of macrolides; those scenarios require different codes.
• Ensure documentation clearly supports that the encounter is for follow-up care of the adverse effect, not the initial presentation.