C03.1

Billable

ChapterC00–D49

Ranksubcategory

Official Description

Malignant neoplasm of lower gum

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 2: Neoplasms (C00-D49).

General instructions are available for the parent sections:

View C03 Notes

Clinical Hierarchy

CH2Neoplasms (C00-D49)

C00-C14Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)

C03Malignant neoplasm of gum

C03.1Malignant neoplasm of lower gum

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C03.1:

categoryC03

Malignant neoplasm of gum

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to C03.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

11 raw paths

Neoplasm, neoplastic11 unique routes

alveolar(3 variants)

mucosa

lower→C03.1

ridge or process(2 variants)

carcinoma

lower→C03.1

mucosa

lower→C03.1

alveolus

lower→C03.1

gingiva (alveolar) (marginal)(2 variants)

lower→C03.1

lower→C03.1

lower→C03.1

lower→C03.1

mucosa (carcinoma)→C03.1

mucosa

alveolar (ridge or process)

lower→C03.1

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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