Question:
For revascularization codes, what modifiers should be assigned if the tibial/peroneal arteries in both legs are treated?
Answer:
When tibial/peroneal arteries in both legs are treated, assign the appropriate initial artery code for each leg. Modifier 50, 59, or another modifier would be added per payer guidelines. If assigning the add-on code bilaterally, report in units—do not assign modifier 50 to the add-on code. Look at the MUEs/MAIs for modifier application.
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