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ICD-10-CM Codes
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C00-D49
Neoplasms
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C76-C80
Malignant neoplasms of ill-defined, other secondary and unspecified sites
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C78-
Secondary malignant neoplasm of respiratory and digestive organs
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2022 ICD-10-CM Diagnosis Code C78.4
2022 ICD-10-CM Diagnosis Code C78.4
Secondary malignant neoplasm of small intestine
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
- C78.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2022 edition of ICD-10-CM C78.4 became effective on October 1, 2021.
- This is the American ICD-10-CM version of C78.4 - other international versions of ICD-10 C78.4 may differ.
The following code(s) above
C78.4 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
C78.4:
Approximate Synonyms
- Cancer metastatic to duodenum
- Cancer metastatic to small intestine
- Secondary malignant neoplasm of duodenum
Clinical Information
- The spread of cancer to the small intestine. This may be from a primary intestinal cancer, or from a cancer at a distant site.
- The spread of the cancer to the small intestine. This may be from a primary intestinal cancer, or from a cancer at a distant site.
ICD-10-CM C78.4 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
- 374 Digestive malignancy with mcc
- 375 Digestive malignancy with cc
- 376 Digestive malignancy without cc/mcc
Convert C78.4 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
ICD-10-CM Codes Adjacent To C78.4
C78 Secondary malignant neoplasm of respiratory and digestive organs
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
C79 Secondary malignant neoplasm of other and unspecified sites
C79.0 Secondary malignant neoplasm of kidney and renal pelvis
C79.00 Secondary malignant neoplasm of unspecified kidney and renal pelvis
C79.01 Secondary malignant neoplasm of right kidney and renal pelvis
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.