C03

Non-Billable
ChapterC00–D49
Rankcategory
Official Description

Malignant neoplasm of gum

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Includes
  • malignant neoplasm of alveolar (ridge) mucosa
  • malignant neoplasm of gingiva
Excludes2(Not included here)
Use Additional Code
  • code to identify:
  • alcohol abuse and dependence (F10.-)
  • history of tobacco dependence (Z87.891)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Clinical Hierarchy

CH2Neoplasms (C00-D49)
C00-C14Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)
C03Malignant neoplasm of gum
C03.0Malignant neoplasm of upper gum
C03.1Malignant neoplasm of lower gum
C03.9Malignant neoplasm of gum, unspecified

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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