| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Phenylketonuria screening, sample taken too soon after blood transfusion (less than 72 hours) | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  | 
| Phenylketonuria screening, unsuitable sample (blood quality): incorrect blood application | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  | 
| Phenylketonuria screening, unsuitable sample (blood quality): compressed/damaged | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  | 
| Phenylketonuria screening, unsuitable sample: day 0 and day 5 on same card | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  | 
| Phenylketonuria screening, too young for reliable screening | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  | 
| Phenylketonuria screening, unsuitable sample: National Health Service number missing/not accurately recorded (finding) | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  | 
| Phenylketonuria screening, unsuitable sample: date of sample missing/not accurately recorded | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  | 
| Phenylketonuria screening, unsuitable sample: expired card used | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  | 
| Phenylketonuria screening, unsuitable sample: more than 14 days in transit, too old for analysis | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  | 
| Phenylketonuria screening, unsuitable sample: damaged in transit | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  | 
| Phenylketonuria screening, insufficient sample | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  | 
| Phenylketonuria screening, unsuitable sample: date of birth not accurately matched | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  | 
| Newborn blood spot screening programme, phenylketonuria not screened for or screening incomplete (finding) | Is a | True | Phenylketonuria screening related finding | Inferred relationship | Existential restriction modifier |  |