ICD-10 Code: C31 – Malignant neoplasm of accessory sinuses

ICD-10 code C31 corresponds to Malignant neoplasm of accessory sinuses. This code is classified under the chapter C00-C96: Malignant neoplasms, which is part of the C00-C96: Malignant neoplasms category.

The parent chapter is Neoplasms.