| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Urticaria pigmentosa, solitary cutaneous nodule | Is a | Urticaria pigmentosa | false | Inferred relationship | Existential restriction modifier |  |  | 
| Urticaria pigmentosa, solitary cutaneous nodule | Is a | Noninfectious, erythematous, papular AND/OR squamous disease | false | Inferred relationship | Existential restriction modifier |  |  | 
| Urticaria pigmentosa, solitary cutaneous nodule | Is a | Skin lesion | false | Inferred relationship | Existential restriction modifier |  |  | 
| Urticaria pigmentosa, solitary cutaneous nodule | Is a | Disorder characterized by edema | false | Inferred relationship | Existential restriction modifier |  |  | 
| Urticaria pigmentosa, solitary cutaneous nodule | Finding site | Mast cell | false | Inferred relationship | Existential restriction modifier |  |  | 
| Urticaria pigmentosa, solitary cutaneous nodule | Associated morphology | Papule | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Urticaria pigmentosa, solitary cutaneous nodule | Finding site | Hematopoietic system structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Urticaria pigmentosa, solitary cutaneous nodule | Associated morphology | Urticaria | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Urticaria pigmentosa, solitary cutaneous nodule | Finding site | Skin structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Urticaria pigmentosa, solitary cutaneous nodule | Finding site | Leukocyte | false | Inferred relationship | Existential restriction modifier |  |  | 
| Urticaria pigmentosa, solitary cutaneous nodule | Associated morphology | Nodule | false | Inferred relationship | Existential restriction modifier |  |  | 
| Urticaria pigmentosa, solitary cutaneous nodule | Associated morphology | Macule | false | Inferred relationship | Existential restriction modifier |  |  | 
| Urticaria pigmentosa, solitary cutaneous nodule | Finding site | Structure of immune system | false | Inferred relationship | Existential restriction modifier |  |  |