Adverse effect of other systemic antibiotics, subs encntr

This code signifies a patient experiencing an undesirable or harmful reaction to a systemic antibiotic other than those specifically classified elsewhere (e.g., penicillins, macrolides). The reaction is occurring during a follow-up visit for the management of the adverse effect, after the initial treatment has been provided.

Apply this code when a patient presents for ongoing care related to an adverse drug reaction from a systemic antibiotic not otherwise specified. This includes situations where the patient is being monitored, treated for lingering symptoms, or undergoing further evaluation of the adverse effect after the initial encounter.

• Always sequence this code after the code for the specific manifestation of the adverse effect.
• Ensure the "D" seventh character is appropriate for a subsequent encounter, indicating ongoing care for the adverse effect.
• Verify that the antibiotic involved is a "systemic" antibiotic and not a topical agent, and that it doesn't fall into a more specific antibiotic class with its own adverse effect code.