What is the ORPHA number for pityriasis rubra pilaris?

Orphanet maintains the Orphanet nomenclature of rare diseases, essential in improving the visibility of rare diseases in health and research information systems: each disease in Orphanet is attributed a unique and stable identifier, the ORPHA number.

Orphanet uses the European definition of a rare disease, as defined by the European Union Regulation on Orphan Medicinal Products (1999), that being a disease that affects not more than 1 person per 2000 in the European population.

The Orphanet rare disease nomenclature is comprised of a heterogeneous typology of entities of decreasing extension, including: groups of disorders, disorders, sub-types. A disorder in the database can be a disease, a malformation syndrome, a clinical syndrome, a morphological or a biological anomaly or a particular clinical situation (in the course of a disorder). They are organised into groups, and further divided into clinical, etiological or histopathological sub-types.

The ORPHA number for pityriasis rubra pilaris is 2897. The following information is included when searching for ORPHA:2897.

   Prevalence: <1 / 1 000 000
   Inheritance: Autosomal dominant or Not applicable
   Age of onset: Infancy, Neonatal
   ICD-10: L44.0
   OMIM: 173200
   UMLS: C0032027
   MeSH: D010916
   GARD: 7401
   MedDRA: 10035116

Source: http://www.orpha.net/consor/cgi-bin/Disease_Search.php?lng=EN

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