2026 ICD-10-CM Diagnosis Code C30Malignant neoplasm of nasal cavity and middle ear

ICD-10-CM Codes›C00–D49›C30-C39›C30

ICD-10-CM C30
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

C30 is a non-billable ICD-10-CM category code for malignant neoplasm of nasal cavity and middle ear, so it cannot be submitted on claims. Use a more specific code from this category instead, such as C30.0 and C30.1.

Code Identity

ICD-10-CM Code
C30
Billable Status
No — Non-Billable Category
Code Describes
Malignant neoplasm of nasal cavity and middle ear
Short Description
Malignant neoplasm of nasal cavity and middle ear
Same as the full description in the CMS dataset.
Chapter
C30-C39
Malignant neoplasms of respiratory and intrathoracic organs

Code Classification

ChapterC00–D49Neoplasms
SectionC30-C39Malignant neoplasms of respiratory and intrathoracic organs
CategoryC30Malignant neoplasm of nasal cavity and middle ear
This CodeC30Malignant neoplasm of nasal cavity and middle ear

Specific Coding for Malignant neoplasm of nasal cavity and middle earOverview

Non-specific codes like C30 require more characters. Use one of these billable codes instead:

  • Use C30.0 for Malignant neoplasm of nasal cavity

  • Use C30.1 for Malignant neoplasm of middle ear

Patient EducationClinical

Nasal Cancer

Your paranasal sinuses are small hollow spaces around the nose. They are lined with cells that make mucus, which keeps your nose from drying out. The nasal cavity is the passageway just behind your nose. Air passes through it on the way to your throat as you breathe.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About C30Overview

Is C30 (Malignant neoplasm of nasal cavity and middle ear) a billable code?

No. This is a category header that groups the codes for malignant neoplasm of nasal cavity and middle ear, and headers cannot be submitted on claims. Claims for malignant neoplasm of nasal cavity and middle ear need a more specific code from this category, such as C30.0 and C30.1.