Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2004. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Excessive keratinized residual ridge mucosa (finding) | Is a | True | Hyperkeratosis of oral mucosa | Inferred relationship | Some | |
| Minimal keratinized residual ridge mucosa (finding) | Is a | True | Hyperkeratosis of oral mucosa | Inferred relationship | Some | |
| Smokeless tobacco keratosis | Is a | True | Hyperkeratosis of oral mucosa | Inferred relationship | Some | |
| Leukoplakia of oral mucosa (disorder) | Is a | True | Hyperkeratosis of oral mucosa | Inferred relationship | Some | |
| Oral frictional keratosis | Is a | True | Hyperkeratosis of oral mucosa | Inferred relationship | Some | |
| Hyperkeratosis of mucous membrane of mouth due to and following traumatic injury (disorder) | Is a | True | Hyperkeratosis of oral mucosa | Inferred relationship | Some | |
| Oral lichen sclerosus (disorder) | Is a | True | Hyperkeratosis of oral mucosa | Inferred relationship | Some |
This concept is not in any reference sets