Is ICD-10-CM code C80 billable?

No, C80 (Malignant neoplasm without specification of site) 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 C80 belong to?

C80 belongs to Chapter 2 of the ICD-10-CM tabular list: C00–D49 (Neoplasms).

C80

Non-Billable

ChapterC00–D49

Rankcategory

Description

Malignant neoplasm without specification of site

About ICD-10-CM code C80

The ICD-10-CM tabular list places Malignant neoplasm without specification of site at code C80, inside C00-D49 Neoplasms, within Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80). You should not submit this code on claims since it lacks billing specificity, use a child code.

Use a more specific code (3 billable)

C80.0Disseminated malignant neoplasm, unspecified C80.1Malignant (primary) neoplasm, unspecified C80.2Malignant neoplasm associated with transplanted organ

Metadata & Insights

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

Instructional Notes

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

malignant carcinoid tumor of unspecified site (C7A.00)
malignant neoplasm of specified multiple sites- code to each site

Clinical Hierarchy

BillableHas subcodes

CH2Neoplasms (C00-D49)

C76-C80Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)

C80Malignant neoplasm without specification of siteNot billable

C80.0Disseminated malignant neoplasm, unspecifiedBillable

C80.1Malignant (primary) neoplasm, unspecifiedBillable

C80.2Malignant neoplasm associated with transplanted organBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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