C11.9
Malignant neoplasm of nasopharynx, unspecified
- Release
- FY 2027
- Effective
Hierarchy
Where C11.9 sits in the official hierarchy. Each level is the code it is classified under.
- C11 Parent Malignant neoplasm of nasopharynx
- C11.9 This code Malignant neoplasm of nasopharynx, 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.
Inclusion Terms
Malignant neoplasm of nasopharyngeal wall NOS
Use Additional Code
exposure to environmental tobacco smoke ( Z77.22 )
Inherited from C11 — Malignant neoplasm of nasopharynx
Use Additional Code
exposure to tobacco smoke in the perinatal period ( P96.81 )
Inherited from C11 — Malignant neoplasm of nasopharynx
Use Additional Code
history of tobacco dependence ( Z87.891 )
Inherited from C11 — Malignant neoplasm of nasopharynx
Use Additional Code
occupational exposure to environmental tobacco smoke ( Z57.31 )
Inherited from C11 — Malignant neoplasm of nasopharynx
Version History
How C11.9 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentMalignant neoplasm of nasopharynx, unspecified
-
FY 2026 Effective
UnchangedMalignant neoplasm of nasopharynx, unspecified
Related Codes
Other codes under C11
- C11.0 Malignant neoplasm of superior wall of nasopharynx Billable
- C11.1 Malignant neoplasm of posterior wall of nasopharynx Billable
- C11.2 Malignant neoplasm of lateral wall of nasopharynx Billable
- C11.3 Malignant neoplasm of anterior wall of nasopharynx Billable
- C11.8 Malignant neoplasm of overlapping sites of nasopharynx Billable
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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