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ICD-10-CM Current in FY 2027

C04.9

Malignant neoplasm of floor of mouth, unspecified

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

Hierarchy

Where C04.9 sits in the official hierarchy. Each level is the code it is classified under.

  1. C04 Parent Malignant neoplasm of floor of mouth
  2. C04.9 This code Malignant neoplasm of floor of mouth, unspecified

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.

Use Additional Code

code to identify:

Inherited from C04 — Malignant neoplasm of floor of mouth

Use Additional Code

alcohol abuse and dependence ( F10 .-)

Inherited from C04 — Malignant neoplasm of floor of mouth

Use Additional Code

history of tobacco dependence ( Z87.891 )

Inherited from C04 — Malignant neoplasm of floor of mouth

Use Additional Code

tobacco dependence ( F17 .-)

Inherited from C04 — Malignant neoplasm of floor of mouth

Use Additional Code

tobacco use ( Z72.0 )

Inherited from C04 — Malignant neoplasm of floor of mouth

Version History

How C04.9 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Malignant neoplasm of floor of mouth, unspecified

  2. FY 2026 Effective

    Unchanged

    Malignant neoplasm of floor of mouth, unspecified

Related Codes

Other codes under C04

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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