All ICD10 Codes

C78

Non-Billable
ChapterC00–D49
Rankcategory
Official Description

Secondary malignant neoplasm of respiratory and digestive organs

Use a more specific code (6 billable, 3 non-billable)
C78.0Secondary malignant neoplasm of lunghas subcodesC78.1Secondary malignant neoplasm of mediastinumC78.2Secondary malignant neoplasm of pleuraC78.3Secondary malignant neoplasm of other and unspecified respiratory organshas subcodesC78.4Secondary malignant neoplasm of small intestineC78.5Secondary malignant neoplasm of large intestine and rectumC78.6Secondary malignant neoplasm of retroperitoneum and peritoneumC78.7Secondary malignant neoplasm of liver and intrahepatic bile ductC78.8Secondary malignant neoplasm of other and unspecified digestive organshas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • secondary carcinoid tumors of liver (C7B.02)
  • secondary carcinoid tumors of peritoneum (C7B.04)
Excludes2(Not included here. Code separately if applicable.)
  • lymph node metastases (C77.0)

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C76-C80Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
C78Secondary malignant neoplasm of respiratory and digestive organsNot billable
C78.0Secondary malignant neoplasm of lungSubcodes
C78.1Secondary malignant neoplasm of mediastinumBillable
C78.2Secondary malignant neoplasm of pleuraBillable
C78.3Secondary malignant neoplasm of other and unspecified respiratory organsSubcodes
C78.4Secondary malignant neoplasm of small intestineBillable
C78.5Secondary malignant neoplasm of large intestine and rectumBillable
C78.6Secondary malignant neoplasm of retroperitoneum and peritoneumBillable
C78.7Secondary malignant neoplasm of liver and intrahepatic bile ductBillable
C78.8Secondary malignant neoplasm of other and unspecified digestive organsSubcodes

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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