ICD-11 code : EB21;
Preferred Label : Pyoderma gangrenosum;
ICD-11 definition : An idiopathic, rapidly evolving, and severely debilitating disease occurring most
commonly in association with chronic ulcerative colitis. It is characterized by the
presence of boggy, purplish ulcers with undermined borders, appearing mostly on the
legs. The majority of cases are in people between 40 and 60 years old. Its etiology
is unknown.;
ICD-11 inclusion : Phagedenic pyoderma; Dermatitis gangrenosa; phagedena; geometric;
Origin ID : 2120746218;
Automatic exact mappings (from CISMeF team)
Currated CISMeF NLP mapping
ICD-10 Mapping
An idiopathic, rapidly evolving, and severely debilitating disease occurring most
commonly in association with chronic ulcerative colitis. It is characterized by the
presence of boggy, purplish ulcers with undermined borders, appearing mostly on the
legs. The majority of cases are in people between 40 and 60 years old. Its etiology
is unknown.