Answer: C

Yes, a 24 modifier is needed because the visit is within the 90 days of a complex closure global period. A 24 modifier is for E/M visits within a global period, unrealted to the procedure. A 79 modifier is for a procedure unrelated to the prior procedure within the global period.

Ref: http://www.the-dermatologist.com/content/cpt-codes-90-day-global-periods

Category: Dermatologic and Cosmetic Surgery

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