EB21ICD-11 MMS 2026-01
Pyoderma gangrenosum
Description
An idiopathic, rapidly evolving, and severely debilitating disease occurring most commonly in association with chronic ulcerative colitis. It is characterised 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.
Index terms
- Pyoderma gangrenosum
- Phagedenic pyoderma
- phagedena geometric
Show allHide
- Pyoderma gangrenosum classified by aetiological associations
- Pyoderma gangrenosum associated with inflammatory bowel disease
- Pyoderma gangrenosum linked to haematological disorder
- Pyoderma gangrenosum associated with inflammatory polyarthropathy
- Pyoderma gangrenosum linked to certain specified identified triggers
- Hidradenitis suppurativa - pyoderma gangrenosum complex
- Pyoderma gangrenosum, acne conglobata and suppurative hidradenitis
- PASH - [pyoderma gangrenosum, acne conglobata and suppurative hidradenitis]
- Pyoderma gangrenosum without identifiable trigger
- Pyoderma gangrenosum classified by clinical type
- Pyoderma gangrenosum, ulcerative
- Pyoderma gangrenosum, classical type
- Pyoderma gangrenosum, bullous
- Pyoderma gangrenosum, atypical
- Pyoderma gangrenosum, pustular
- Pyoderma gangrenosum, atypical pustular
- Pyoderma gangrenosum, superficial vegetating
- Chronic superficial pyoderma
- Superficial granulomatous pyoderma
- Parastomal pyoderma gangrenosum
- Dermatitis gangrenosa
Inclusions
- Phagedenic pyoderma
Exclusions from above levels
1B72.0– Bullous impetigo of the napkin area1F23.12– Napkin candidosisEH71– Dermatoses precipitated by drug therapy
Show allHide
EH76– Dermatoses associated with specific classes of medication
Sibling codes
Foundation entity
Pyoderma gangrenosum – http://id.who.int/icd/entity/2120746218
Part of: 14: Diseases of the skin