| ICD-10 Code | Description |
| K05.00 | Acute gingivitis, plaque induced |
| K05.01 | Acute gingivitis, non-plaque induced |
| K05.10 | Chronic gingivitis, plaque induced |
| K05.11 | Chronic gingivitis, non-plaque induced |
| K05.20 | Aggressive periodontitis, unspecified |
| K05.211 | Aggressive periodontitis, localized, slight |
| K05.212 | Aggressive periodontitis, localized, moderate |
| K05.213 | Aggressive periodontitis, localized, severe |
| K05.219 | Aggressive periodontitis, localized, unspecified severity |
| K05.221 | Aggressive periodontitis, generalized, slight |
| K05.222 | Aggressive periodontitis, generalized, moderate |
| K05.223 | Aggressive periodontitis, generalized, severe |
| K05.229 | Aggressive periodontitis, generalized, unspecified severity |
| K05.30 | Chronic periodontitis, unspecified |
| K05.311 | Chronic periodontitis, localized, slight |
| K05.312 | Chronic periodontitis, localized, moderate |
| K05.313 | Chronic periodontitis, localized, severe |
| K05.319 | Chronic periodontitis, localized, unspecified severity |
| K05.321 | Chronic periodontitis, generalized, slight |
| K05.322 | Chronic periodontitis, generalized, moderate |
| K05.323 | Chronic periodontitis, generalized, severe |
| K05.329 | Chronic periodontitis, generalized, unspecified severity |
| K05.4 | Periodontosis |
| K05.5 | Other periodontal diseases |
| K05.6 | Periodontal disease, unspecified |
