| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Microcytosis, red cells | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Poikilocytosis | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Elliptocytosis | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Dacrocytosis | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Pyknocytosis | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Helmet cell | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Sputnik cells | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Bite cells | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Echinocytosis | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Spur cell | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Rhytiocytosis | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Microspherocytes seen | Interprets | True | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Puddle cells | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Extramedullary erythropoiesis | Interprets | True | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Reticulocytopenia | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Erythropoiesis finding | Interprets | True | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Decreased erythrocyte production | Interprets | True | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Dyserythropoiesis | Interprets | True | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Increased erythrocyte production | Interprets | True | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Erythrocytic maturation arrest | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Normal erythrocyte production | Interprets | True | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Megaloblastic erythropoiesis | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier |  | 
| Ineffective erythropoiesis | Interprets | True | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Megaloblastoid erythropoiesis | Interprets | True | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Abnormal erythrocyte production | Interprets | True | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Decreased erythroid precursor production | Interprets | True | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Decreased erythrocyte production | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Megaloblastoid erythropoiesis | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Ineffective erythropoiesis | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Dyserythropoiesis | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 | 
| Abnormal erythrocyte production | Interprets | False | Erythrocyte production, function | Inferred relationship | Existential restriction modifier | 1 |