4A40.Z
Lupus erythematosus, unspecified
Lupus erythematosus, unspecified
ICD-10 Equivalents(2)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(13)
SNOMED CT ↗
- Lupus erythematosus profundus15084002
- Gell and Coombs reaction type III83699005
- Lupus erythematosus nodularis200940007
- Lupus erythematosus tumidus200941006
- Limited lupus erythematosus239886003
- Lupus panniculitis239888002
- Lupus erythematosus-associated vasculitis239944008
- Lupus erythematosus-associated urticarial vasculitis403510002
- Lupus erythematosus-associated necrotising vasculitis403511003
- Lupus erythematosus of oral mucosa707301001
Frequently Asked Questions
What is the ICD-11 code for lupus erythematosus, unspecified?
The ICD-11 code for lupus erythematosus, unspecified is 4A40.Z. The full clinical description is "Lupus erythematosus, unspecified".
What does ICD-11 code 4A40.Z mean?
ICD-11 code 4A40.Z represents “Lupus erythematosus, unspecified”. It is classified under Chapter 4: Diseases of the Immune System.
What chapter is 4A40.Z in?
4A40.Z is in Chapter 4: Diseases of the Immune System (codes 4A00-4B4Z).
What is the ICD-10 equivalent of ICD-11 code 4A40.Z?
4A40.Z maps to 2 ICD-10 codes: L93 (Lupus erythematosus), L93.2 (Other local lupus erythematosus). 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 4A40.Z map to?
4A40.Z maps to 10 SNOMED CT concepts: 83699005, 239886003, 200940007, 707301001, 15084002, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code 4A40.Z?
4A40.Z is linked to 3 UMLS Concept Unique Identifiers: C0409974, C0030327, C0477525. 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.