ICD-10-CM C30: Malignant neoplasm of nasal cavity and middle ear

ICD-10-CM Diagnosis Code (2025)

Official Description for C30

Malignant neoplasm of nasal cavity and middle ear

Coding Notes & Guidelines for C30

Excludes1: Not Coded Here
  • malignant neoplasm of nasal bone (C41.0)
  • malignant neoplasm of nose NOS (C76.0)
  • malignant neoplasm of olfactory bulb (C72.2-)
  • malignant neoplasm of posterior margin of nasal septum and choana (C11.3)
  • malignant melanoma of skin of nose (C43.31)
  • malignant neoplasm of turbinates (C41.0)
  • other and unspecified malignant neoplasm of skin of nose (C44.301, C44.311, C44.321, C44.391)
Excludes1: Not Coded Here
  • malignant neoplasm of auricular canal (external) (C43.2-,C44.2-)
  • malignant neoplasm of bone of ear (meatus) (C41.0)
  • malignant neoplasm of cartilage of ear (C49.0)
  • malignant melanoma of skin of (external) ear (C43.2-)
  • other and unspecified malignant neoplasm of skin of (external) ear (C44.2-)
Inclusion Terms
  • Malignant neoplasm of cartilage of nose
  • Malignant neoplasm of nasal concha
  • Malignant neoplasm of internal nose
  • Malignant neoplasm of septum of nose
  • Malignant neoplasm of vestibule of nose
Inclusion Terms
  • Malignant neoplasm of antrum tympanicum
  • Malignant neoplasm of auditory tube
  • Malignant neoplasm of eustachian tube
  • Malignant neoplasm of inner ear
  • Malignant neoplasm of mastoid air cells
  • Malignant neoplasm of tympanic cavity

Child Codes (More Specific Codes for C30):

C30.0 - Malignant neoplasm of nasal cavity C30.1 - Malignant neoplasm of middle ear

About ICD-10-CM Code C30 (Malignant neoplasm of nasal cavity and middle ear)

ICD-10-CM code C30 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM C30 became effective on October 1, 2024.

This page provides detailed information about C30 - Malignant neoplasm of nasal cavity and middle ear. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Malignant neoplasm of nasal cavity and middle ear.