C09
Non-billableMalignant neoplasm of tonsil
C09 is the ICD-10-CM code for Malignant neoplasm of tonsil. It is a non-billable category code — use a more specific child code such as C09.0 for billing.
- Status
- Header (non-billable)
- Chapter
- C00-D49
- Subcodes
- 4
- Edition
- FY2026
C00-D49 Neoplasms
What this means — in plain language
MedlinePlus · NIHThroat cancer is a type of head and neck cancer . Throat cancer has different names, depending on which part of the throat is affected. The different parts of your throat are called the oropharynx, the hypopharynx, the nasopharynx, and the larynx, or voice box. The main risk factors for throat cancer are tobacco use and heavy drinking. Certain types of throat cancer also have other risk factors. For example, having…
Read more about Throat Cancer at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes2 — not included here
Use additional code
- •code to identify:
- •alcohol abuse and dependence (F10.-)
- •exposure to environmental tobacco smoke (Z77.22)
- •exposure to tobacco smoke in the perinatal period (P96.81)
- •history of tobacco dependence (Z87.891)
- •occupational exposure to environmental tobacco smoke (Z57.31)
- •tobacco dependence (F17.-)
- •tobacco use (Z72.0)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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