Non-specific code icon 2014 ICD-10-CM Diagnosis Code C03

Malignant neoplasm of gum

  • C03 is not a billable ICD-10-CM diagnosis code and cannot be used to indicate a medical diagnosis as there are 3 codes below C03 that describe this diagnosis in greater detail.
  • ICD-10-CM codes become active beginning October 1, 2015, therefore, this and all ICD-10-CM diagnosis codes should only be used for training or planning purposes until then.
Use Additional
  • code to identify:
  • alcohol abuse and dependence (F10.-)
  • history of tobacco use (Z87.891)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)
Type 2 Excludes
  • malignant neoplasm of alveolar (ridge) mucosa
  • malignant neoplasm of gingiva