2025
ICD-10-CM
Diagnosis
Code

C30.1 Malignant neoplasm of middle ear

Billable
2016–2025

C30.1 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Malignant neoplasm of middle ear.

Inclusion term

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

Type 1 excludes

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-)

Versions

2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code