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C13

Non-billable

Malignant neoplasm of hypopharynx

C13 is the ICD-10-CM code for Malignant neoplasm of hypopharynx. It is a non-billable category code — use a more specific child code such as C13.0 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Subcodes
5
Edition
FY2026

C00-D49 Neoplasms

What this means — in plain language

MedlinePlus · NIH

Throat 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

  • •malignant neoplasm of pyriform sinus (C12)

Use additional code

  • •code to identify:
  • •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

What is ICD-10 code C13?
C13 is the ICD-10-CM code for "Malignant neoplasm of hypopharynx". It falls under C00-D49 Neoplasms.
Is C13 a billable code?
No — C13 is a non-billable header code. Use a more specific child code (such as C13.0) for billing.
What are the subcodes of C13?
C13 has 5 more specific child codes, including C13.0, C13.1, C13.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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