C06.9 vs C08
C06.9 (Malignant neoplasm of mouth, unspecified) compared with C08 (Malignant neoplasm of other and unspecified major salivary glands), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. C08 carries an Excludes2 note covering C06.9: “malignant neoplasms of minor salivary glands NOS (C06.9)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| C06.9Malignant neoplasm of mouth, unspecified | C08Malignant neoplasm of other and unspecified major salivary glands | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Malignant neoplasm of mouth, unspecified is a billable ICD-10-CM diagnosis code (C06.9). | Malignant neoplasm of other and unspecified major salivary glands is a non-billable ICD-10-CM category code (C08). |
| Includes | Malignant neoplasm of minor salivary gland, unspecified site Malignant neoplasm of oral cavity NOS | malignant neoplasm of salivary ducts |
| Use additional code | code to identify: alcohol abuse and dependence (F10.-) history of tobacco dependence (Z87.891) | code to identify: alcohol abuse and dependence (F10.-) exposure to environmental tobacco smoke (Z77.22) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources