3A01.2ICD-11 MMS 2026-01
Vitamin B12 deficiency anaemia due to low intake
Description
A disease caused by insufficient intake of vitamin B12 into the body. This disease is characterised by low levels of vitamin B12 leading to low levels of red blood cells. This disease may present with pallor, fatigue, or shortness of breath. Confirmation is by identification of low levels of vitamin B12 and red blood cell count in a blood sample.
Index terms
- Vitamin B12 deficiency anaemia due to low intake
- Dietary vitamin B12 deficiency anaemia
- Megaloblastic anaemia due to vitamin B12 deficiency due to low intake
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- Vegan anaemia due to Vitamin B12 deficiency
- vegan anaemia NOS
Exclusions from above levels
04– Diseases of the immune system05– Endocrine, nutritional or metabolic diseases18– Complications of pregnancy, childbirth or the puerperium
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19– Certain conditions originating in the perinatal period20– Congenital malformations, deformations or chromosomal abnormalities22– Injury, poisoning or certain other consequences of external causes- http://id.who.int/icd/entity/1000704511 – Human immunodeficiency virus disease
JB64.1– Other diseases of the blood or blood-forming organs or certain disorders involving the immune mechanism complicating pregnancy, childbirth or the puerperium
Sibling codes
3A01.0– Hereditary vitamin B12 deficiency anaemia3A01.1– Neonatal vitamin B12 deficiency anaemia3A01.3– Vitamin B12 deficiency anaemia due to intrinsic factor deficiency3A01.4– Vitamin B12 deficiency anaemia due to intestinal disease3A01.5– Drug-induced vitamin B12 deficiency anaemia3A01.Y– Other specified megaloblastic anaemia due to vitamin B12 deficiency3A01.Z– Megaloblastic anaemia due to vitamin B12 deficiency, unspecified
Foundation entity
Vitamin B12 deficiency anaemia due to low intake – http://id.who.int/icd/entity/1213151459
Part of: 3A01: Megaloblastic anaemia due to vitamin B12 deficiency › 03: Diseases of the blood or blood-forming organs