ICD-10-CM C19: Malignant neoplasm of rectosigmoid junction

ICD-10-CM Diagnosis Code (2025)

Official Description for C19

Malignant neoplasm of rectosigmoid junction

Coding Notes & Guidelines for C19

Excludes1: Not Coded Here

malignant carcinoid tumors of the colon (C7A.02-)

Inclusion Terms
  • Malignant neoplasm of colon with rectum
  • Malignant neoplasm of rectosigmoid (colon)

About ICD-10-CM Code C19 (Malignant neoplasm of rectosigmoid junction)

ICD-10-CM code C19 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 C19 became effective on October 1, 2024.

This page provides detailed information about C19 - Malignant neoplasm of rectosigmoid junction. 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 rectosigmoid junction.