Is ICD-10-CM code C45 billable?

No, C45 (Mesothelioma) 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 C45 belong to?

C45 belongs to Chapter 2 of the ICD-10-CM tabular list: C00–D49 (Neoplasms).

C45

Non-Billable

ChapterC00–D49

Rankcategory

Description

Mesothelioma

About ICD-10-CM code C45

C45 is the ICD-10-CM diagnosis code for Mesothelioma. It sits in C00-D49 Neoplasms, within Malignant neoplasms of mesothelial and soft tissue (C45-C49). C45 is not billable on its own, coders must choose one of its more specific child codes instead.

Use a more specific code (5 billable)

C45.0Mesothelioma of pleura C45.1Mesothelioma of peritoneum C45.2Mesothelioma of pericardium C45.7Mesothelioma of other sites C45.9Mesothelioma, unspecified

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 2: Neoplasms (C00-D49).

Clinical Hierarchy

BillableHas subcodes

CH2Neoplasms (C00-D49)

C45-C49Malignant neoplasms of mesothelial and soft tissue (C45-C49)

C45MesotheliomaNot billable

C45.0Mesothelioma of pleuraBillable

C45.1Mesothelioma of peritoneumBillable

C45.2Mesothelioma of pericardiumBillable

C45.7Mesothelioma of other sitesBillable

C45.9Mesothelioma, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Mesothelioma.

Search PCS Codes