C13Header code — not billable

Malignant neoplasm of hypopharynx

Chapter
2. Neoplasms
Category
C13
Effective date
October 1, 2026

Related codes in category C13

C13.0Malignant neoplasm of postcricoid regionYesC13.1Malig neoplasm of aryepiglottic fold, hypopharyngeal aspectYesC13.2Malignant neoplasm of posterior wall of hypopharynxYesC13.8Malignant neoplasm of overlapping sites of hypopharynxYesC13.9Malignant neoplasm of hypopharynx, unspecifiedYes

Frequently asked questions

What is ICD-10 code C13?

C13 is an ICD-10-CM diagnosis code for Malignant neoplasm of hypopharynx.

Is C13 a billable code?

No. C13 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is C13 in?

C13 falls under Chapter 2: Neoplasms.

When did C13 become effective?

C13 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to C13?

C13 belongs to category C13, which includes 5 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.