ICD-10-CM C78: Secondary malignant neoplasm of respiratory and digestive organs

ICD-10-CM Diagnosis Code (2025)

Official Description for C78

Secondary malignant neoplasm of respiratory and digestive organs

Coding Notes & Guidelines for C78

Excludes1: Not Coded Here
  • secondary carcinoid tumors of liver (C7B.02)
  • secondary carcinoid tumors of peritoneum (C7B.04)
Excludes2: Not Included Here

lymph node metastases (C77.0)

Code Also

exocrine pancreatic insufficiency (K86.81)

Child Codes (More Specific Codes for C78):

C78.0 - Secondary malignant neoplasm of lung C78.00 - Secondary malignant neoplasm of unspecified lung C78.01 - Secondary malignant neoplasm of right lung C78.02 - Secondary malignant neoplasm of left lung C78.1 - Secondary malignant neoplasm of mediastinum C78.2 - Secondary malignant neoplasm of pleura C78.3 - Secondary malignant neoplasm of other and unspecified respiratory organs C78.30 - Secondary malignant neoplasm of unspecified respiratory organ C78.39 - Secondary malignant neoplasm of other respiratory organs C78.4 - Secondary malignant neoplasm of small intestine C78.5 - Secondary malignant neoplasm of large intestine and rectum C78.6 - Secondary malignant neoplasm of retroperitoneum and peritoneum C78.7 - Secondary malignant neoplasm of liver and intrahepatic bile duct C78.8 - Secondary malignant neoplasm of other and unspecified digestive organs C78.80 - Secondary malignant neoplasm of unspecified digestive organ C78.89 - Secondary malignant neoplasm of other digestive organs

About ICD-10-CM Code C78 (Secondary malignant neoplasm of respiratory and digestive organs)

ICD-10-CM code C78 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 C78 became effective on October 1, 2024.

This page provides detailed information about C78 - Secondary malignant neoplasm of respiratory and digestive organs. 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 Secondary malignant neoplasm of respiratory and digestive organs.