Primary Care Coding Alert

Reader Question:

Biopsy Versus Excision

Question: If a physician removes a lesion from the face for biopsy and sends it for pathology review, should I bill both 11440 and 11100?

Maine Subscriber  
Answer: The distinguishing factor here is whether the entire lesion is removed or a portion removed for identification. Use 11100 (biopsy of skin, subcutaneous tissue and/or mucous membrane [including simple closure], unless otherwise listed [separate procedure]; single lesion) for a biopsy when you just take a piece of the lesion for pathology. The code is for the procedure itself and would not be billed with 11440 (excision, other benign lesion [unless listed elsewhere], face, ears, eyelids, nose, lips, mucous membrane; lesion diameter 0.5 cm or less). Code 11440 would be used if you completely removed the lesion and then sent it for pathology.  
Answers to You Be the Coder and Reader Questions provided by Daniel S. Fick, MD, director of risk management and compliance for the College of Medicine faculty practice at the University of Iowa; and Kent Moore, manager of Health Care Financing and Delivery Systems for the American Academy of  Family Physicians.
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