C18

The ICD-10-CM code for malignant neoplasm of colon is C18. The full clinical description is "Malignant neoplasm of colon". C18 is a non-billable header code. Use a more specific child code for billing purposes.

ICD-10-CM code C18 represents “Malignant neoplasm of colon”. It is classified under Chapter 2: Neoplasms and is a non-billable header code. Use a more specific child code for billing purposes.

No, C18 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under C18.

C18 is in Chapter 2: Neoplasms (codes C00-D49).

C18 has Excludes1 notes indicating codes that cannot be used together with it, including: Kaposi's sarcoma of gastrointestinal sites (C46.4); malignant carcinoid tumors of the colon (C7A.02-).

C18 has 10 child codes, including: C18.0 (Malignant neoplasm of cecum), C18.1 (Malignant neoplasm of appendix), C18.2 (Malignant neoplasm of ascending colon), C18.3 (Malignant neoplasm of hepatic flexure), and 6 more.

C18 is linked to 1 UMLS Concept Unique Identifier: C0007102. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malignant neoplasm of colon affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

C18 maps to the ICD-11 code: 2B90.Z (Malignant neoplasms of colon, unspecified).