Emergency: 119
AMDA-IMIC

C03 Malignant neoplasm of gum

Category / Non-billable header 3 subcodes

Block: Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)

Includes

  • malignant neoplasm of alveolar (ridge) mucosa
  • malignant neoplasm of gingiva

Excludes 2 (not included here)

  • malignant odontogenic neoplasms (C41.0-C41.1)

Use Additional Code

  • code to identify:
  • alcohol abuse and dependence (F10.-)
  • history of tobacco dependence (Z87.891)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
C03..0 Malignant neoplasm of upper gum Yes
C03..1 Malignant neoplasm of lower gum Yes
C03..9 Malignant neoplasm of gum, unspecified Yes

Last reviewed: September 2026