C03 is the authoritative medical code for Malignant neoplasm of gum. This classification is used in medical billing and clinical recording to specify the clinical criteria for malignant neoplasm of gum (ICD-10-CM C03), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Sequencing, inclusion, and exclusion notes published for C03 in the official ICD-10-CM tabular list.
Conditions the official ICD-10-CM tabular list includes under this code.
Conditions not covered by this code, but which may be reported alongside it when both are present.
Supplementary codes the tabular list directs you to add.
No. C03 (Malignant neoplasm of gum) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Per Excludes2 instructions, C03 and the following may both be reported when both are present: malignant odontogenic neoplasms (C41.0-C41.1).
Use additional code(s) to specify: code to identify:; alcohol abuse and dependence (F10.-); history of tobacco dependence (Z87.891); tobacco dependence (F17.-).
Official ICD-10-CM classifications in the same code family as C03, with their registry titles.
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: