ICD-10-CM C30.1: Malignant neoplasm of middle ear

ICD-10-CM Diagnosis Code (2025)

Official Description for C30.1

Malignant neoplasm of middle ear

Coding Notes & Guidelines for C30.1

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 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

Parent Code (Less Specific):

About ICD-10-CM Code C30.1 (Malignant neoplasm of middle ear)

ICD-10-CM code C30.1 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 C30.1 became effective on October 1, 2024.

This page provides detailed information about C30.1 - Malignant neoplasm of 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 middle ear.