| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Langerhans cell histiocytosis, disseminated | Is a | Langerhans cell histiocytosis | true | Inferred relationship | Existential restriction modifier |  |  | 
| Langerhans cell histiocytosis, disseminated | Is a | Disorder: Primary malignant neoplasm (disorder) | false | Inferred relationship | Existential restriction modifier |  |  | 
| Langerhans cell histiocytosis, disseminated | Is a | Malignant histiocytic disorder | true | Inferred relationship | Existential restriction modifier |  |  | 
| Langerhans cell histiocytosis, disseminated | Finding site | Dendritic cell system structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Langerhans cell histiocytosis, disseminated | Course | Worth disease | false | Inferred relationship | Existential restriction modifier |  |  | 
| Langerhans cell histiocytosis, disseminated | Course | Persistent embryonic hypoglossal artery | false | Inferred relationship | Existential restriction modifier |  |  | 
| Langerhans cell histiocytosis, disseminated | Course | Boomerang dysplasia | false | Inferred relationship | Existential restriction modifier |  |  | 
| Langerhans cell histiocytosis, disseminated | Course | Persistent embryonic otic artery | false | Inferred relationship | Existential restriction modifier |  |  | 
| Langerhans cell histiocytosis, disseminated | Pathological process | Malignant neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Langerhans cell histiocytosis, disseminated | Finding site | Leukocyte | false | Inferred relationship | Existential restriction modifier |  |  | 
| Langerhans cell histiocytosis, disseminated | Finding site | Lymphoid system structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Langerhans cell histiocytosis, disseminated | Associated morphology | Langerhans cell histiocytosis, disseminated | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Langerhans cell histiocytosis, disseminated | Associated morphology | Langerhans cell histiocytosis, no International Classification of Diseases for Oncology subtype | false | Inferred relationship | Existential restriction modifier |  |  | 
| Langerhans cell histiocytosis, disseminated | Is a | Primary malignant neoplasm | false | Inferred relationship | Existential restriction modifier |  |  | 
| Langerhans cell histiocytosis, disseminated | Associated morphology | White blood cell abnormality | false | Inferred relationship | Existential restriction modifier |  |  | 
| Langerhans cell histiocytosis, disseminated | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Langerhans cell histiocytosis, disseminated | Finding site | Hematopoietic system structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Langerhans cell histiocytosis, disseminated | Associated morphology | Langerhans cell histiocytosis - category | false | Inferred relationship | Existential restriction modifier |  |  | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Letterer-Siwe disease of intra-abdominal lymph nodes | Is a | True | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of intrapelvic lymph nodes | Is a | False | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of intrathoracic lymph nodes | Is a | True | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of lymph nodes of axilla AND/OR upper limb | Is a | False | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of lymph nodes of head, face AND/OR neck | Is a | False | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of lymph nodes of inguinal region AND/OR lower limb | Is a | False | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of lymph nodes of multiple sites | Is a | True | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of spleen | Is a | True | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of extranodal AND/OR solid organ site | Is a | False | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of unspecified sites | Is a | False | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease NOS | Is a | False | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Hand-Schüller-Christian disease | Is a | True | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of lymph nodes of head | Is a | True | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of lymph nodes of neck | Is a | True | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of lymph nodes of upper limb | Is a | True | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of lymph nodes of lower limb | Is a | True | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease NOS | Is a | False | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  | 
| Letterer-Siwe disease of unspecified sites | Is a | False | Langerhans cell histiocytosis, disseminated | Inferred relationship | Existential restriction modifier |  |