June 11, 2020
What diagnosis code should I use for a patient treated for two malignant lesions, one in the mucosa of the upper lip and a second in the mucosa of the lower lip?
You will need two diagnosis codes. C00.3-Malignant neoplasm of upper lip, inner aspect and C00.4-Malignant neoplasm of lower lip, inner aspect.
*This response is based on the best information available as of 6/11/20.
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