| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| mätning av metkoproporfyrin | Is a | False | Porphyrin measurement | Inferred relationship | Some |  | 
| Porphyrin measurement, fecal, qualitative or semi-quantitative | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Porphyrins, qualitative measurement, urine | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Porphyrins, quantitation and fractionation, urine (procedure) | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Porphyrin, quantitative measurement, urine | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Porphyrin measurement, total, plasma | Is a | False | Porphyrin measurement | Inferred relationship | Some |  | 
| Porphyrin measurement, 24-hours, feces | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Porphyrin measurement, fractionation, erythrocytes | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Porphyrin measurement, feces, quantitative | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Porphyrin measurement, total, erythrocytes | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Urine porphyrin/creatinine ratio measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Blood porphyrin measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Plasma porphyrin measurement | Is a | False | Porphyrin measurement | Inferred relationship | Some |  | 
| Hexacarboxylporphyrin measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Coproporphyrin measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Uroporphyrin measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Heptacarboxylporphyrin measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Tetracarboxylporphyrin measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Dicarboxylporphyrin measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Tricarboxylporphyrin measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Deuteroporphyrin measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Protoporphyrin measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Mesoporphyrin measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Octacarboxylporphyrin measurement (procedure) | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Mono-carboxylic porphyrin measurement (procedure) | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Dihydroxy bile acid measurement | Is a | False | Porphyrin measurement | Inferred relationship | Some |  | 
| Porphyrin screening | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Pentacarboxylporphyrin measurement | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Detection of porphyrins | Is a | True | Porphyrin measurement | Inferred relationship | Some |  | 
| Porphyrins in urine - finding | Interprets | True | Porphyrin measurement | Inferred relationship | Some | 1 | 
| Increased porphyrin (finding) | Interprets | False | Porphyrin measurement | Inferred relationship | Some | 1 | 
| Decreased porphyrin | Interprets | False | Porphyrin measurement | Inferred relationship | Some | 1 | 
| Decreased porphyrin | Interprets | True | Porphyrin measurement | Inferred relationship | Some | 1 | 
| Increased porphyrin (finding) | Interprets | True | Porphyrin measurement | Inferred relationship | Some | 1 | 
| N-methyl coproporphyrin measurement (procedure) | Is a | True | Porphyrin measurement | Inferred relationship | Some |  |