EB21
Pyoderma gangrenosum
Pyoderma gangrenosum
Classification
ICD-11
Chapter
14: Diseases of the SkinBlock
EB20-EB2YParent Code
BlockL3-EB2ICD-10 Mapping
2 equivalentsWHO Foundation
View on WHOICD-10 Equivalents(2)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(14)
SNOMED CT ↗
- Acne cystica13277001
- Ecthyma gangrenosum17732003
- Chancriform pyoderma35542008
- Blastomycosis-like pyoderma71332006
- Dermatitis gangrenosa infantum90900004
- Cutaneous streptococcal ulcer240424003
- Bacterial pyoderma402939001
- Ecthyma caused by Staphylococcus aureus762283002
- Ecthyma caused by Streptococcus pyogenes762693003
- Ecthyma762694009
Frequently Asked Questions
What is the ICD-11 code for pyoderma gangrenosum?
The ICD-11 code for pyoderma gangrenosum is EB21. The full clinical description is "Pyoderma gangrenosum".
What does ICD-11 code EB21 mean?
ICD-11 code EB21 represents “Pyoderma gangrenosum”. It is classified under Chapter 14: Diseases of the Skin.
What chapter is EB21 in?
EB21 is in Chapter 14: Diseases of the Skin (codes EA00-EM0Z).
What is the ICD-10 equivalent of ICD-11 code EB21?
EB21 maps to 2 ICD-10 codes: L08.0 (Pyoderma), L88 (Pyoderma gangrenosum). ICD-10 and ICD-11 do not always have one-to-one mappings — check the mapping type (equivalent, approximate, narrower, or broader) for each result.
What is the difference between ICD-10 and ICD-11?
ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.
What SNOMED CT codes does EB21 map to?
EB21 maps to 10 SNOMED CT concepts: 13277001, 402939001, 71332006, 35542008, 240424003, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code EB21?
EB21 is linked to 4 UMLS Concept Unique Identifiers: C3264462, C0034212, C1397124, C0085652. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.