| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Immunoglobulin heavy chain deficiency | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Immunoglobulin light chain deficiency | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Immunoglobulin subclass deficiency | Is a | False | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Immunoglobulin-associated molecule deficiency | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Specific antibody deficiency | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Primary immunoglobulin catabolism abnormality | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Phagocytic cell defect | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Tuftsin deficiency | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Immunodeficiency with major anomalies | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| De Vaal's syndrome | Is a | False | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Disorder of complement | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Severe combined immunodeficiency disease | Is a | False | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Immunodeficiency associated with chromosomal abnormality | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| immunoglobulinedeficiëntie (aandoening) | Is a | False | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Combined immunodeficiency disease | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Interleukin-12 deficiency | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Mannose-binding lectin deficiency (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Activated PI3K-delta syndrome | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Microcephaly, hypogammaglobulinemia, abnormal immunity syndrome (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Melanoma differentiation-associated gene 5 deficiency (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Vasculitis due to adenosine deaminase 2 deficiency | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| T-cell immunodeficiency with epidermodysplasia verruciformis | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Immune dysregulation, inflammatory bowel disease, arthritis, recurrent infection syndrome | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Neonatal inflammatory skin and bowel disease (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Deficiency in anterior pituitary function, variable immunodeficiency syndrome (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Sterile multifocal osteomyelitis with periostitis and pustulosis (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| PLCG2-associated antibody deficiency and immune dysregulation | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Syndromic multisystem autoimmune disease due to itchy E3 ubiquitin protein ligase deficiency (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Immunodeficiency due to CD25 deficiency (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Susceptibility to viral and mycobacterial infection | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Primary immunodeficiency with post-measles-mumps-rubella vaccine viral infection (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Majeed syndrome | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Deficiency of interleukin 36 receptor antagonist | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Blau syndrome | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Autoimmune lymphoproliferative syndrome | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| X-linked lymphoproliferative syndrome | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Mendelian susceptibility to mycobacterial disease | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| X-linked immunoneurologic disorder (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Interleukin 21 related infantile inflammatory bowel disease (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Inflammatory bowel disease, recurrent sinopulmonary infection syndrome | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Immune dysregulation, inflammatory bowel disease, arthritis, recurrent infection, lymphopenia syndrome (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Predisposition to invasive fungal disease due to CARD9 deficiency | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| CCAAT enhancer binding protein epsilon-associated autoinflammation, immunodeficiency, neutrophil dysfunction syndrome (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Infantile inflammatory bowel disease with neurological involvement (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Warts, immunodeficiency, lymphedema, anogenital dysplasia syndrome (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Autosomal recessive primary immunodeficiency with defective spontaneous natural killer cell cytotoxicity | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Infantile-onset pulmonary alveolar proteinosis, hypogammaglobulinemia (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Pyogenic arthritis, pyoderma gangrenosum, acne syndrome (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Disorder of immunoglobulin | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Predisposition to severe viral infection due to interferon regulatory factor 7 deficiency (disorder) | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Common variable agammaglobulinemia | Is a | False | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Common variable immunodeficiency | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  | 
| Isolated agammaglobulinaemia | Is a | True | Primary immune deficiency disorder | Inferred relationship | Some |  |