Laboratory services for diagnosing and monitoring homocystinurias and related diseases are available in various databases:
OrphaNet
ERNDIM
Genetic Testing Registry
This is E-HOD
European network and registry for homocystinurias and methylation defects. Its aim is to improve the health of children, adolescents and adults affected with these rare disorders.
E-HOD has been funded by the European Commission through its Public Health and Consumer Protection Directorate (DG SANCO), PHEA programme (more information).