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Neoplasm Table

pterygoid fossa

SiteMalignant primaryMalignant secondaryCa in situBenignUncertain behaviorUnspecified behavior
pterygoid fossaC49.0C79.89—D21.0D48.1-D49.2
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.

Frequently asked questions

What are the ICD-10-CM neoplasm codes for pterygoid fossa?

Per the ICD-10-CM Neoplasm Table: malignant primary C49.0; malignant secondary C79.89; benign D21.0; uncertain behavior D48.1-; unspecified behavior D49.2. Always confirm the code, and add the required 7th character where applicable, in the Tabular List.

ICD-10-CM Neoplasm Table maintained by CDC/NCHS (public domain), from the CMS FY2027 release.