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Neoplasm Table

substernal

SiteMalignant primaryMalignant secondaryCa in situBenignUncertain behaviorUnspecified behavior
substernalC38.1C78.1—D15.2D38.3D49.89
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 substernal?

Per the ICD-10-CM Neoplasm Table: malignant primary C38.1; malignant secondary C78.1; benign D15.2; uncertain behavior D38.3; unspecified behavior D49.89. 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.