C30.1

C30.1: Malignant neoplasm of middle ear

Billable / specific codeICD-10-CM

C30.1 is a billable, specific ICD-10-CM code for malignant neoplasm of middle ear. It is valid for submission on a claim.

Check C30.1 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

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

Alternative wordings a physician may use in the chart for this same code.

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

Risk adjustment

C30.1 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 21 Lymphoma and Other Cancers0.671 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

C30.1 is named in 56 Medicare coverage policies: 56 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
A52479Oral Anticancer Drugs - Policy Article
A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
A54768Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under C30

C30.0Malignant neoplasm of nasal cavity