Neoplasm Table

aorta (thoracic)

Site	Malignant primary	Malignant secondary	Ca in situ	Benign	Uncertain behavior	Unspecified behavior
aorta (thoracic)	C49.3	C79.89	—	D21.3	D48.1-	D49.2
abdominal	C49.4	C79.89	—	D21.4	D48.1-	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 aorta?

Per the ICD-10-CM Neoplasm Table: malignant primary C49.3; malignant secondary C79.89; benign D21.3; 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.