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ICD-10-CM Current in FY 2027

C79.40

Secondary malignant neoplasm of unspecified part of nervous system

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where C79.40 sits in the official hierarchy. Each level is the code it is classified under.

  1. C79 Secondary malignant neoplasm of other and unspecified sites
  2. C79.4 Parent Secondary malignant neoplasm of other and unspecified parts of nervous system
  3. C79.40 This code Secondary malignant neoplasm of unspecified part of nervous system

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

secondary carcinoid tumors ( C7B .-)

Inherited from C79 — Secondary malignant neoplasm of other and unspecified sites

Excludes1

secondary neuroendocrine tumors ( C7B .-)

Inherited from C79 — Secondary malignant neoplasm of other and unspecified sites

Version History

How C79.40 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Secondary malignant neoplasm of unspecified part of nervous system

  2. FY 2026 Effective

    Unchanged

    Secondary malignant neoplasm of unspecified part of nervous system

Related Codes

Other codes under C79.4

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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