| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Hemodialysate specimen from hemodialysis machine using reverse osmosis system | Specimen source identity | False | Hemodialysis machine, device | Inferred relationship | Existential restriction modifier | 1 | 
| Hemodialysate specimen from hemodialysis machine using water distribution system | Specimen source identity | True | Hemodialysis machine, device | Inferred relationship | Existential restriction modifier | 1 | 
| Machine hemodialysate specimen obtained before mixing | Specimen source identity | True | Hemodialysis machine, device | Inferred relationship | Existential restriction modifier | 1 | 
| Machine hemodialysate specimen obtained after mixing | Specimen source identity | False | Hemodialysis machine, device | Inferred relationship | Existential restriction modifier | 1 | 
| Machine hemodialysate specimen | Specimen source identity | True | Hemodialysis machine, device | Inferred relationship | Existential restriction modifier | 1 | 
| Machine hemodialysate specimen obtained after mixing | Specimen source identity | True | Hemodialysis machine, device | Inferred relationship | Existential restriction modifier | 1 | 
| Machine hemodialysate specimen obtained before mixing | Specimen source identity | False | Hemodialysis machine, device | Inferred relationship | Existential restriction modifier | 1 | 
| Hemodialysate specimen from hemodialysis machine using reverse osmosis system | Specimen source identity | True | Hemodialysis machine, device | Inferred relationship | Existential restriction modifier | 1 | 
| Hemodialysate specimen from hemodialysis machine using water distribution system | Specimen source identity | False | Hemodialysis machine, device | Inferred relationship | Existential restriction modifier | 1 | 
| Machine hemodialysate specimen | Specimen source identity | False | Hemodialysis machine, device | Inferred relationship | Existential restriction modifier | 1 | 
| Hemodialysis system, institutional | Is a | True | Hemodialysis machine, device | Inferred relationship | Existential restriction modifier |  | 
| Hemodialysis system, institutional/home-use | Is a | True | Hemodialysis machine, device | Inferred relationship | Existential restriction modifier |  |