| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Diffuse erythrodermic mastocytosis (disorder) | Associated morphology | False | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 2 | 
| Familial mastocytosis (disorder) | Associated morphology | False | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 2 | 
| Cutaneous mastocytosis (disorder) | Associated morphology | False | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 2 | 
| Telangiectasia macularis eruptiva perstans | Associated morphology | False | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 3 | 
| Diffuse cutaneous mastocytosis (morphologic abnormality) | Is a | True | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some |  | 
| Urticaria pigmentosa | Is a | False | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some |  | 
| Solitary mastocytoma of skin (morphologic abnormality) | Is a | False | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some |  | 
| Cutaneous mastocytosis, short stature, hearing loss syndrome (disorder) | Associated morphology | False | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 8 | 
| Cutaneous mastocytosis, short stature, hearing loss syndrome (disorder) | Associated morphology | False | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Telangiectasia macularis eruptiva perstans | Associated morphology | True | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 2 | 
| Diffuse erythrodermic mastocytosis (disorder) | Associated morphology | True | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Cutaneous mastocytosis (disorder) | Associated morphology | True | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Familial mastocytosis (disorder) | Associated morphology | True | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Cutaneous mastocytosis, short stature, hearing loss syndrome (disorder) | Associated morphology | False | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 6 | 
| Cutaneous mastocytosis, short stature, hearing loss syndrome (disorder) | Associated morphology | True | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 7 | 
| Pseudoxanthomatous nodular cutaneous mastocytosis | Associated morphology | True | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Bullous cutaneous mastocytosis | Associated morphology | True | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Cutaneous mastocytosis, adult form (disorder) | Associated morphology | True | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Cutaneous mastocytosis, infantile form (disorder) | Associated morphology | True | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some | 1 | 
| Mastocytoma | Is a | True | Cutaneous mastocytosis (morphologic abnormality) | Inferred relationship | Some |  |