Is ICD-10-CM code C30 billable?

No, C30 (Malignant neoplasm of nasal cavity and middle ear) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code C30 belong to?

C30 belongs to Chapter 2 of the ICD-10-CM tabular list: C00–D49 (Neoplasms).

C30Non-billable

Malignant neoplasm of nasal cavity and middle ear

Neoplasms·Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)·category·FY 2026

Use a more specific code (2 billable)

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

C30-C39 Parent Instructions

Includes

malignant neoplasm of middle ear

Excludes1(Not coded here. Use a different code.)

mesothelioma (C45.-)

Clinical Hierarchy

BillableHas subcodes

CH2Neoplasms (C00-D49)

C30-C39Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)

C30Malignant neoplasm of nasal cavity and middle earNot billable

C30.0Malignant neoplasm of nasal cavityBillable

C30.1Malignant neoplasm of middle earBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.