ICD-10-CM Diagnosis Code (2025)
Official Description for C18.9
Malignant neoplasm of colon, unspecified
Coding Notes & Guidelines for C18.9
Inclusion Terms
Malignant neoplasm of large intestine NOS
Parent Code (Less Specific):
About ICD-10-CM Code C18.9 (Malignant neoplasm of colon)
ICD-10-CM code C18.9 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM C18.9 became effective on October 1, 2024.
This page provides detailed information about C18.9 - Malignant neoplasm of colon, unspecified. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Malignant neoplasm of colon related to unspecified.