K11.3 vs K12.2
K11.3 (Abscess of salivary gland) compared with K12.2 (Cellulitis and abscess of mouth), 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. K12.2 carries an Excludes2 note covering K11.3: “abscess of salivary gland (K11.3)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| K11.3Abscess of salivary gland | K12.2Cellulitis and abscess of mouth | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | K00-K95 — Diseases of the Digestive System (K00-K95) | K00-K95 — Diseases of the Digestive System (K00-K95) |
| Definition | Abscess of salivary gland is a billable ICD-10-CM diagnosis code (K11.3). | Cellulitis and abscess of mouth is a billable ICD-10-CM diagnosis code (K12.2). |
| Includes | — | Cellulitis of mouth (floor) Submandibular abscess |
| Use additional code | code to identify: alcohol abuse and dependence (F10.-) exposure to environmental tobacco smoke (Z77.22) | 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