C31.1
BillableMalignant neoplasm of ethmoidal sinus
C31.1 is the ICD-10-CM code for Malignant neoplasm of ethmoidal sinus. It is a billable, specific code valid for reimbursement.
C00-D49 Neoplasms
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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