5B5A.Z
Vitamin B1 deficiency, unspecified
Vitamin B1 deficiency, 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(11)
SNOMED CT ↗
- Disorder of optic nerve due to nutritional deficiency82108004
- Thiamine and niacin deficiency267412000
- Aneurin deficiency399357009
- Niacin deficiency418279001
- Inadequate intake of thiamine880107009
- Disorder of optic nerve due to micronutrient deficiency1186796006
- Cranial neuropathy due to micronutrient deficiency1186841005
- Dementia due to thiamine deficiency1186879000
- Dementia due to nutritional deficiency1186883000
- Disorder of optic nerve due to thiamine deficiency1187145006
Frequently Asked Questions
What is the ICD-11 code for vitamin b1 deficiency, unspecified?
The ICD-11 code for vitamin b1 deficiency, unspecified is 5B5A.Z. The full clinical description is "Vitamin B1 deficiency, unspecified".
What does ICD-11 code 5B5A.Z mean?
ICD-11 code 5B5A.Z represents “Vitamin B1 deficiency, unspecified”. It is classified under Chapter 5: Endocrine, Nutritional or Metabolic Diseases.
What chapter is 5B5A.Z in?
5B5A.Z is in Chapter 5: Endocrine, Nutritional or Metabolic Diseases (codes 5A00-5D46).
What is the ICD-10 equivalent of ICD-11 code 5B5A.Z?
5B5A.Z maps to 3 ICD-10 codes: E51 (Thiamine deficiency), E51.8 (Other manifestations of thiamine deficiency), E51.9 (Thiamine deficiency, 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 5B5A.Z map to?
5B5A.Z maps to 10 SNOMED CT concepts: 1186841005, 1186883000, 1186879000, 1186796006, 82108004, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code 5B5A.Z?
5B5A.Z is linked to 1 UMLS Concept Unique Identifier: C0494323. 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.