tci General Surgery Coding Alert - 2022 Issue Q4
You Be the Coder: Devil is in the Details for Lesion Excision Coding
Question: Our surgeon excised a skin lesion that measured 1 cm x 0.5 cm with a 0.2 cm margin all around. The codes are based on “excised diameter.” How can you determine the diameter when the lesion isn’t round? What is the correct code for this service? Arkansas Subscriber Answer: CPT® defines a lesion excision diameter as the longest dimension of the lesion plus the most narrow margin on both sides (two times the margin) required to remove the lesion. That means in the case you describe, the excised diameter would be 1 cm...
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