The statement "closure of nasal sinus fistula" would be coded by a code from which of the following ICD-9-CM chapters?
A) "Operations of the Nose, Mouth, and Pharynx"
B) "Disease of the Respiratory System"
C) "Diseases of the Nose, Mouth, and Pharynx"
D) "Operations on the Integumentary System"
A
Health Professions