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Table of Neoplasms
pyriform fossa or sinus

Neoplasm, neoplastic: pyriform fossa or sinus

Site	Malignant, Primary	Malignant, Secondary	Ca in situ	Benign	Uncertain Behavior	Unspecified Behavior
—	C12	C79.89	D00.08	D10.7	D37.05	D49.0

Source: official CMS/NCHS ICD-10-CM Table of Neoplasms. Informational only.

Data current as of FY2026 CMS/NCHS release. Not affiliated with or endorsed by CMS, HHS, or NCHS.

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