# Crigler-Najjar syndrome

> bilirubin metabolic disorder that involves a build up of bilirubin as bilirubin is not being broken down as a result of a lack or deficiency of the enzyme uridine diphosphate glycosyltransferase (UGT)

**Wikidata**: [Q1140000](https://www.wikidata.org/wiki/Q1140000)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Crigler–Najjar_syndrome)  
**Source**: https://4ort.xyz/entity/crigler-najjar-syndrome


## References

1. Disease Ontology
2. Freebase Data Dumps. 2013
3. Czech National Authority Database
4. [Source](http://www.patient.co.uk/patientplus/c.htm)
5. Identification of an A-to-G missense mutation in exon 2 of the UGT1 gene complex that causes Crigler-Najjar syndrome type 2
6. [Identifiers.org](https://registry.identifiers.org/registry/doid)
7. UMLS 2023