C03.9

Billable
ChapterC00–D49
Ranksubcategory
Official Description

Malignant neoplasm of gum, unspecified

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
C03.9Malignant neoplasm of gum, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C03.9:

categoryC03
Malignant neoplasm of gum
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to C03.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

13 raw paths
Neoplasm, neoplastic13 unique routes
alveolar→C03.9(4 variants)
mucosa→C03.9
ridge or process(2 variants)
carcinoma→C03.9
mucosa→C03.9
alveolus→C03.9
connective tissue NEC
jaw→C03.9
gingiva (alveolar) (marginal)→C03.9
gum→C03.9
interdental papillae→C03.9
jaw
soft tissues→C03.9
mucosa
alveolar (ridge or process)→C03.9
periodontal tissue NEC→C03.9
tooth socket NEC→C03.9

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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