ICD-10-CM › C00-D49 › C76-C80 › C codes › C78

C78

Secondary malignant neoplasm of respiratory and digestive organs

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 9 more specific codes instead:

  • C78.0 Secondary malignant neoplasm of lung (also a header)
  • 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 (also a header)
  • 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 (also a header)

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Secondary malignant neoplasm of respiratory and digestive organs

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

This code

Excludes1 - never 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)