3A01.Z
Megaloblastic anaemia due to vitamin B12 deficiency, unspecified
Megaloblastic anaemia due to vitamin B12 deficiency, unspecified
ICD-10 Equivalents(5)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(15)
SNOMED CT ↗
- Congenital pernicious anaemia34925000
- Dietary vitamin B>12< deficiency anaemia44910003
- Congenital intrinsic factor deficiency anaemia60504009
- Megaloblastic anaemia due to vegetarianism78997000
- Addison's anemia84027009
- Myasthenic syndrome due to another disorder193209005
- Myasthenic syndrome due to pernicious anaemia193213003
- Congenital deficiency of intrinsic factor234361004
- Biermer congenital pernicious anaemia234362006
- Pernicious anaemia due to autoimmune disorder1153333001
Frequently Asked Questions
What is the ICD-11 code for megaloblastic anaemia due to vitamin b12 deficiency, unspecified?
The ICD-11 code for megaloblastic anaemia due to vitamin b12 deficiency, unspecified is 3A01.Z. The full clinical description is "Megaloblastic anaemia due to vitamin B12 deficiency, unspecified".
What does ICD-11 code 3A01.Z mean?
ICD-11 code 3A01.Z represents “Megaloblastic anaemia due to vitamin B12 deficiency, unspecified”. It is classified under Chapter 3: Diseases of the Blood or Blood-Forming Organs.
What chapter is 3A01.Z in?
3A01.Z is in Chapter 3: Diseases of the Blood or Blood-Forming Organs (codes 3A00-3C9Z).
What is the ICD-10 equivalent of ICD-11 code 3A01.Z?
3A01.Z maps to 5 ICD-10 codes: D51 (Vitamin B12 deficiency anemia), D51.0 (Vitamin B12 defic anemia due to intrinsic factor deficiency), D51.3 (Other dietary vitamin B12 deficiency anemia), and 2 more. 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 3A01.Z map to?
3A01.Z maps to 10 SNOMED CT concepts: 84027009, 234362006, 234361004, 60504009, 34925000, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code 3A01.Z?
3A01.Z is linked to 5 UMLS Concept Unique Identifiers: C2004521, C0002892, C0494217, C0477301, C0154289. 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.