1B20.Z
Leprosy, unspecified
Leprosy, unspecified
ICD-10 Equivalents(3)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(12)
SNOMED CT ↗
- Asteatosis cutis89105000
- MB leprosy416257001
- PB leprosy416483009
- Dapsone resistant leprosy416597004
- Bacterial infection of lacrimal gland721258000
- Arthritis caused by Mycobacterium leprae838360003
- Bacterial infection of peripheral nerve1163136004
- Dacryoadenitis caused by Mycobacterium leprae1163497001
- Asteatosis cutis caused by Mycobacterium leprae1179403004
- Autonomic disorder due to leprosy1259055009
Frequently Asked Questions
What is the ICD-11 code for leprosy, unspecified?
The ICD-11 code for leprosy, unspecified is 1B20.Z. The full clinical description is "Leprosy, unspecified".
What does ICD-11 code 1B20.Z mean?
ICD-11 code 1B20.Z represents “Leprosy, unspecified”. It is classified under Chapter 1: Certain Infectious or Parasitic Diseases.
What chapter is 1B20.Z in?
1B20.Z is in Chapter 1: Certain Infectious or Parasitic Diseases (codes 1A00-1H0Z).
What is the ICD-10 equivalent of ICD-11 code 1B20.Z?
1B20.Z maps to 3 ICD-10 codes: A30 (Leprosy [Hansen's disease]), A30.8 (Other forms of leprosy), A30.9 (Leprosy, unspecified). 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 1B20.Z map to?
1B20.Z maps to 10 SNOMED CT concepts: 416257001, 416483009, 838360003, 89105000, 1179403004, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code 1B20.Z?
1B20.Z is linked to 2 UMLS Concept Unique Identifiers: C0023343, C0348121. 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.