When Selecting a Code from the "Excision of Benign and Malignant

When selecting a code from the "Excision of Benign and Malignant Lesions" (11400-11646) subsection, a coder must calculate the size of a lesion being excised. This size is calculated by:

A) narrowest margin + (largest diameter of the lesion X 2)
B) (narrowest margin + largest diameter of the lesion) X 2
C) (narrowest margin X 2) + largest diameter of the lesion
D) largest diameter of the lesion X 2