The old single-code system for biopsies is long gone. Today, skin biopsy coding is based on technique (tangential, punch, incisional) and the number of lesions. Using the wrong base code or add-on code is one of the most common denial reasons in dermatology.

The New Biopsy Code Family

CPT 11102 (Tangential):

• This is the base code for the first tangential biopsy (e.g., shave, scoop, saucerization).
• Add-on Code: +11103 for each additional tangential biopsy.

CPT 11104 (Punch): Base code for the first punch biopsy. This code includes simple suture closure.

• Add-on Code: +11105 for each additional punch biopsy.

CPT 11106 (Incisional): Base code for the first incisional biopsy (excising a portion of a lesion). Includes simple closure.

• Add-on Code: +11107 for each additional incisional biopsy.

How to Code Multiple Biopsies

• You can only report one base code (11102, 11104, or 11106) per patient, per session.
• Mixed Techniques: If you perform biopsies with different techniques (e.g., 1 punch and 1 shave), report the most complex base code first (11104 for the punch).
• Then, report the add-on code for the other technique (e.g., +11103 for the shave).
• Example (1 punch, 2 shaves): Bill 11104 (for the first punch), +11103 (for the first shave), and +11103 (for the second shave).

Bundling Alert: Simple Closures