The patient had a nasal neoplasm removed a couple of weeks ago, and code 30117 was used (90-day postop).
Now the patient returns to the office for follow-up:
Nasal mucosa moist with no active drainage. Base of the lesion is identified on the right anterior nasal septum. Using a ear speculum to isolate the area liquid nitrogen is applied to the area. Patient handled the procedure well without complication.
Pathology showed verrucaform vs. ISK
How would you code this procedure?