ICD-10-CM C16.4: Malignant neoplasm of pylorus

ICD-10-CM Diagnosis Code (2025)

Official Description for C16.4

Malignant neoplasm of pylorus

Coding Notes & Guidelines for C16.4

Inclusion Terms
  • Malignant neoplasm of prepylorus
  • Malignant neoplasm of pyloric canal

Parent Code (Less Specific):

About ICD-10-CM Code C16.4 (Malignant neoplasm of pylorus)

ICD-10-CM code C16.4 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 C16.4 became effective on October 1, 2024.

This page provides detailed information about C16.4 - Malignant neoplasm of pylorus. 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 pylorus.