When two related procedures are performed via separate incisions at two connecting interspaces, which modifier is appropriate to append to the code for the second procedure?

Question

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Modifier 59 is used to indicate that two or more procedures are performed at different sessions or patient encounters, or in different anatomical sites or separate incisions. It helps to signify that procedures that are normally bundled together are distinct and independent under the circumstances described.

When Two Related Procedures Are Performed Via Separate Incisions at Two