Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Tetrahydrobiopterin synthesis defect | Is a | Disorder of tetrahydrobiopterin metabolism | true | Inferred relationship | Some | ||
| Tetrahydrobiopterin synthesis defect | Is a | Hyperphenylalaninemia | true | Inferred relationship | Some | ||
| Tetrahydrobiopterin synthesis defect | Finding site | Body system structure | false | Inferred relationship | Some | ||
| Tetrahydrobiopterin synthesis defect | Occurrence | Congenital | false | Inferred relationship | Some | ||
| Tetrahydrobiopterin synthesis defect | Is a | Autosomal recessive hereditary disorder | true | Inferred relationship | Some |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| 6-Pyruvoyl-tetrahydrobiopterin synthase deficiency | Is a | True | Tetrahydrobiopterin synthesis defect | Inferred relationship | Some | |
| Pterin-4-carbinolamine dehydratase deficiency | Is a | True | Tetrahydrobiopterin synthesis defect | Inferred relationship | Some | |
| Dihydropteridine reductase deficiency | Is a | True | Tetrahydrobiopterin synthesis defect | Inferred relationship | Some | |
| GTP cyclohydrolase I deficiency | Is a | True | Tetrahydrobiopterin synthesis defect | Inferred relationship | Some |
This concept is not in any reference sets