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Table of Neoplasms
substernal

Neoplasm, neoplastic: substernal

Site	Malignant, Primary	Malignant, Secondary	Ca in situ	Benign	Uncertain Behavior	Unspecified Behavior
—	C38.1	C78.1	—	D15.2	D38.3	D49.89

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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