Orphanet procedures
Procedures concerning the nomenclature

- Orphanet nomenclature and classification of rare diseases
- Regels voor het coderen van zeldzame ziekten in ICD-10
- Naming rules for the rare disease nomenclature in English
This document has been translated into Polish (2017) and Spanish (2018) and German (2019) and Japanese (2019) - Nomenclature production in national language
- Linearization rules for Orphanet classifications
Procedures concerning the collection of information related to rare diseases


- Glossary and representation of terms related to diagnostic tests
- Data collection and registration of expert centres in Orphanet
- Data collection and registration of patient organisations in Orphanet
- Data collection and registration of diagnostic tests in Orphanet
- Data collection and registration of research projects in Orphanet