Adenocarcinoma of appendix
Cancer of the appendix
Cancer of the appendix, adenocarcinoma
Primary malignant neoplasm of appendix
A malignant neoplasm arising from the wall of the appendix. Representative examples include carcinomas and lymphomas.
A primary or metastatic malignant neoplasm that affects the appendix. Representative examples include carcinoma and lymphoma.
C18.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM C18.1 became effective on October 1, 2022.
This is the American ICD-10-CM version of C18.1 – other international versions of ICD-10 C18.1 may differ.