C18.9

Applicable To

• Malignant neoplasm of large intestine NOS

Approximate Synonyms

• Cancer of the colon

• Cancer of the colon, adenocarcinoma

• Cancer of the colon, hereditary nonpolyposis

• Cancer of the colon, stage 1

• Cancer of the colon, stage 2

• Cancer of the colon, stage 3

• Cancer of the colon, stage 4

• Carcinoma of colon, stage i

• Carcinoma of colon, stage ii

• Carcinoma of colon, stage iii

• Carcinoma of colon, stage iv

• Colon cancer metastatic to unspecified site

• Hereditary nonpolyposis colon cancer

• Malignant tumor of colon

• Metastasis from malignant tumor of colon

• Primary adenocarcinoma of colon

Clinical Information

• A primary or metastatic malignant neoplasm involving the colon.

• A primary or metastatic malignant neoplasm that affects the colon or rectum. Representative examples include carcinoma, lymphoma, and sarcoma.

• A primary or metastatic malignant neoplasm that affects the colon. Representative examples include carcinoma, lymphoma, and sarcoma.

Details

• C18.9 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 C18.9 became effective on October 1, 2022.

• This is the American ICD-10-CM version of C18.9 – other international versions of ICD-10 C18.9 may differ.