K05.1 vs K06
K05.1 (Chronic gingivitis) compared with K06 (Other disorders of gingiva and edentulous alveolar ridge), 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. K06 carries an Excludes2 note covering K05.1: “chronic gingivitis (K05.1)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. K06 carries an Excludes2 note covering K05.1: “gingivitis NOS (K05.1)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| K05.1Chronic gingivitis | K06Other disorders of gingiva and edentulous alveolar ridge | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | K00-K95 — Diseases of the Digestive System (K00-K95) | K00-K95 — Diseases of the Digestive System (K00-K95) |
| Definition | Chronic gingivitis is a non-billable ICD-10-CM category code (K05.1). | Other disorders of gingiva and edentulous alveolar ridge is a non-billable ICD-10-CM category code (K06). |
| Includes | Desquamative gingivitis (chronic) Gingivitis (chronic) NOS Hyperplastic gingivitis (chronic) Pregnancy associated gingivitis | — |
| Use additional code | code to identify: alcohol abuse and dependence (F10.-) exposure to environmental tobacco smoke (Z77.22) | — |
| Code first | , if applicable, diseases of the digestive system complicating pregnancy (O99.61-) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources