Use of Modifier 58 for Dermatology

The most common use of modifier 58 in dermatology is for re-excision of a lesion because the margins weren’t clear.

Benign and malignant excisional biopsies have a 10 day global period. If the patient returns for a re-excision, the same code may be reported again, or a code for a larger excision size in the same location.

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